Hi and welcome to the profesor's blog. I tried to find meanings of nepali ukhan tukka in many websites but failed. So, I am going to post some nepali ukkan tukkas with their respective meanings which I found somewhere in internet. If you are finding those meanings, you are absolutely on the right place. Here it goes like this.

नहुनु मामा भन्दा कानै मामा जाती !
Meaning: Half a loaf is better than no bread.

मुर्खको धन रहदैन !
Meaning: Fool and money are soon parted.

मेहनतको फल मिठो हुन्छ !
Meaning: Fruits of labor are always sweet.

एक हातले तालि बज्दैन !
Meaning: One sided treatment do not last long.

न्यौरी मारी पछुतो !
Meaning: Regreting after doing stupid things.

ऋण लाग्दा नडराउनु , दिन लाग्दा डराउनु !
Meaning: Bad loans can be paid but bad times cannot be repaired.

ताक परे तिवारी नत्र गोतामे !
Meaning: Being an opportunist.

घरको बाघ बनको स्याल !
Meaning: Act like tiger at home and jackal at woods.

मरे पछि डुमै राजा !
Meaning: Who cares after death.

लिखितमको अघाडी बखतम चल्दैन !
Meaning: Written proof is more powerful than oral proof.

गर्जने बादल वर्षदैन !
Meaning: Thunder clouds do not always give rain.

आफ्नो भाग्य आफैले बनाउनु पर्छ !
Meaning: We ourselves have to create our destiny.

डोकोमा दुध दुयेर रहदैन !
Meaning: Look for appropriate job according to your skill.

भुक्ने कुकुरले टोकदैन !
Meaning: Barking dog seldom bites.

काग कराउदै गर्छ, पिना सुक्दै गर्छ !
Meaning: Keep doing right things, let them speaking.

हाती चले बजार तो कुता भुके हजार !
Meaning: Bigger steps get thousands criticisms.

जिउदाको जन्ती मर्दाको मलामी !
Meaning: A friend in need is the friend indeed.

रात भरि करायो दक्षिणा हरायो !
Meaning: You cant always get what you expect.

कुकुरलाई हड्डी पैचो !
Meaning: Lending something to someone who does not know the value of.

ऋण लिदा पनि नलिनु, दिदा पनि नदिनु !
Meanings: Borrowing and lending both are not easy tasks.

फोश्रो आशा न देखाऊ नु !
Meanings: Promise only if you can make it.

पहिले गरेर देखाउनु अनि भन्नु !
Meaning: First do it then tell it.
        Action speaks louder than words.

लुट को धन फुफु को श्राध !
Meaning: Easy come easy go.

धन भने पछि महादेव को पनि तीन नेत्र !
Meaning: Money really matters.

बिनाश काले बिपरिते बुद्दी !
Meaning: Bad ideas lead bad fortune and vice versa.

हाती को दुइटा दात हुन्छ, एउटा खाने अर्को देखाउने !
Meaning: Cruelty under politeness.

फलामले फलामलाई काटछ !
Meaning: Diamond cuts diamond.

रात गए अग्रात पलाउँछ !
Meaning: An extra minute offers hundred options.

जसले मह काढ्छ उसले हात चाट्छ !
Meaning: Who does the labor enjoys the fruit of labor.

आफ्नो थैलोको गाँठो कस्नु , अरुलाई दोष नदिनु !
Meaning: Keep your wallet secured and don't blame others.

जसको शक्ति उस्को भक्ति !
Meaning: Might is right.

जसको लाठी उसको भैस !
Meaning: Might is right.

लोग्ने स्वास्नीको झगडा परालको आगो !
Meaning: Husband & wife's quarrel subsides in a short time.

अक्चु खाए बक्छु खाए झुसे बारुलो !
Meaning: I have dealt with much stronger you are no match.

आए आँप गए झटारो !
Meaning: I will give a try, I have to loose nothing.

सुनलाई खोल लाउनु पर्दैन !
Meaning: Gold always glitters.

दुश्मन खोज्न टाढा जानु पर्दैन !
Meaning: You don't have to go to far to find an enemy familiarity breeds contempt.

एक्ता नै बल हो !
Meaning: Unity is strength.

सय को लाठि, एक को बोज !
Meaning: When everybody helps then work will be lighter.

गु लाई चलाए गन्ध !
Meaning: Bad things have bad results.

पशुपती को जात्रा सिद्रा को ब्यापार !
Meaning: To kill two birds with one stone.

आज को काम लाई भोली कहिले न भन्नु !
Meaning: There is not time like present.

काम साछे आफु लाई, खाना साछे अरुलाई !
Meaning: If you want something done right, do it yourself.

टुहुरो को दिन फर्कन्छ !
Meaning: Every dog has its day.

गु पुछेको टालो पनी बेला मा काम लाग्छ !
Meaning: One man's trash is another man's wealth.

माग्ने लाई छान्ने अधिकार हुँदैन !
Meaning: Beggers are not choosers. If wishes were horses, beggars would ride.

बिद्या नै धन हो!
Meaning: Education is wealth.

भोजन हैन भोक मिठो !
Meaning: Hunger doesn't judge the taste of food.

भोको पेट ले सोचन सक्दैन !
Meaning: Hungry people can't write philosophy.

नभरेको गाग्रो छछल किन्छ !
Meaning: Empty vessel sounds much. Half knowledge is dangerous.

हाथ को माछा छोरेर पोखरी को माछा खोज्ने !
Meaning: The grass is always greener on the other side of the hill.

मुख मा राम राम बगली मा छुरा !
Meaning: Cruelty inside the politeness.

की त हसतीनआपुर को राज्, कि त चपरी मुनी को बास् !
Meaning: Good things come to those who wait.

थोपा थोपा मिलेर सागर बन्दछ !
Meaning: A penny saved is a penny earned.

औंला दिदा डुडो निल्ने !
Meaning: Give him an inch and he will take an yard, don't bite the hand that feed you.

काम गर्ने हनुमान पगदी कस्ने ढेडु !
Meaning: One does the work other gets the credit.

मामा को घोडा मा भान्जा को हे हे !
Meaning: One enjoys in others property.

चोक्टा खान गएको बुडी झोल्मा डुबेर मोरि !
Meaning: One who becomes too greedy, loose everything.

अर्का को आङ को जुम्रा देख्नेले आफ्नो आङ को भैसी देख्दैन !
Meaning: It is easy to point others fault but don't realize his own faults.

अर्थी र औश्धी मिठो हुँदैन !
Meaning: Advice is least heeded when most needed.

तित्रा को मुखै बैरि !
Meaning: If you too much talk, you will be in trouble.

पर्छ टर्छ !
Meaning: As it comes, so it goes.

खाउ भने कान्छा बाउ को अनुहार, न खाउ भने दिन भरी को सिकार !
Meaning: Labor all day for no rewards.

हुल मुल मा जिउ जोगाउनु, आनिकल मा बिउ जोगाउनु !
Meaning: Save your soul in riots and food in famine.

जस्ले पैसालाई चिन्दैन, तेस्लाई पैसा ले पनी चिन्दैन !
Meaning: If you do not recognize the value of money, you will never have plenty of it.

जो सहे सो रहे !
Meaning: Those who can practise patience, will remain to the end. All good things come to those who wait.

एक पटक को चोर्, सदा को चोर !
Meaning: Once you earn bad name, it will always be with you. Once a solder always a solder.

एक दिन को पाउना मिठो मिठो खा, दुइ दिन को पाउना जस्तो सुकैखा, तीन दिन को पाउना जत्ता सुक्कै जा !
Meaning: Guests like fish begin to smell after three days.

वोरालो लागेको बाघ लाई बाछो ले लखेट्छ !
Meaning: In bad time everyone shows you strength. A chain is only as strong as its weakest link.

हाथी आयो हाथी आयो फुस्सा !
Meaning: Showing unrealistic.

मौका मा चौका हान्न जान्नु पर्छ !
Meaning: Seize the opportunity.

बोल्ने को पिठो बिक्छ, न बोल्ने को चामल पनि बिक्दैन !
Meaning: Squeeky wheels gets the grease.

थुतुनो र मुतुनो जोगाउनु !
Meaning: Control your mouth and sexual desire.

गोली को घाउ निको हुन्छ, बोली को हुँदैन !
Meaning: He who lives by the sword shall die by the sword.

बोली र गोली छुटे पछी फर्कदैन !
Meaning: Speech and bullet never come back.

खाने मुख लाई जुङा ले छेक्दैन !
Meaning: Where there is will there is way.

हग्गी सक्यो, दैलो देख्यो !
Meaning: You find the solution after things got bad.

उदेस्य लिनु उडि छुनु चन्द्र एक !
Meaning: Always keep high aims.

हगे हग मुते काटुला !
Meaning: Giving ultimatum without much time.

घाटी हेरेर हाड निल्नु पर्छ !
Meaning: Cut your coat according to your cloth.

अरु हाथी चड्दैमा आफु धुरी चड्नु हुँदैन !
Meanining: Don't be showy.

मुख कामी लाई जेवल चहिदैन !
Meaning: It is easy to talk hard to do.

काम कुरो एकातिर कुम्लो बोकी ठिमी तिर ।
Meaning: Distracting from the real business and non planned business.

मान्छे मा ईख, सर्प मा बिष न भए कोही डराउदैन !
Meaning: If the snake has no poison and men has no ego, then no one fears of them.

जाने षृखन्ड न जने खुर्पा को बिड !
Meaning: If you don't know the real value of the things, it becomes valueless.

हडबड को काम गड्बड हुन्छ !
Meaning: Haste makes waste. Marry in haste, repent at leisure.

जब राती अनि बुढी ताती !
Meaning: Doing business in eleventh hour.

ईट को जवाफ पत्थर ले दिनु !
Meaning: If someone comes after you then you should go after him with bigger force. tit for tat.

कुमाले को चक्क्र घुमी फीरी तेही आउछ !
Meaning: It goes round, it comes round.

जस्तो रोप्यो तेस्तै फल्छ !
Meaning: As you sow so you reap.

जाहा ईक्छा त्यहाँ उपाए !
Meaning: If there is a will, there is a way.

खुटा भए जुता हजार पाउछ !
Meaning: You will get plenties of shoes if you have leg.

न मच्चिने पिङ को सए झट्का !
Meaning: One who can not do makes many excuses. Empty vessel sounds much.

ल्हासा सुन छ मेरो कान बुच्चो !
Meaning: Do not regret for the things that is beyond your reach.

हर्‍रो न पाउने ले जाईफल को धाक !
Meaning: One who is less capable talks of a big things.

न बिराउनु न डराउनु !
Meaning: If you do right things, you don't have to worry.

काग लाई बेल पक्यो हर्ष न बिष्मात !
Meaning: Certain incidents make no difference to one.

छोरी कुटी बुहारी तह लाउनु !
Meaning: Punish to daughter to teach the lesson to daughter-in-law.

धान खाने मुसा, पिटाई खाने भ्यागुतो !
Meaning: One get punish for other's mistakes.

हाथी छिर्‍यो पुच्छर अड्क्यो !
Meaning: Big problems are resolved but the small one is holding it.

खाई नपाई, छाला को टोपी लगाई !
Meaning: One don't have resources to accomplish small things dreams of having impossible things. eating getting nothing wearing leather cap.

नजाने गाउ को बाटै नसोधनु !
Meaning: Don't try to be nosy in matter that do not concern you.

नाच्न न जान्ने को आगन टेडो !
Meaning: A bad carpenter quarrrels with his tools.

कुकुर को पुच्छर बाह्र बर्ष सम्म ढुङ्रो मा हाले पनि जस्त को तेस्तै !
Meaning: If you keep a dog's tail in a bamboo for 12 years, it wont get straight.

रातभरी रामायान पढयो, सिता क्स्की जोइ, हनुमान्को !
Meaning: When you have taught the Ramayan all night, a person asks who Ram's wife is, and he says Hanuman's.
It is hard to teach some people.


बनको बागले खावोस नखावोस मनको बागले खान्छ !
Meaning: One should not be oversensitive cause things might go okay till u kept on wondering it to happen wrong.

रातभरी करायो दच्छिना हरायो !
Meaning: One loses his alms earned by shouting all the night.

फुत्केको माछो ठुलो !
Meaning: The fish that slipped from your hand seemed bigger than what you caught.
Lost or missed opportunity always looks better than what you got.

बाँदर को पुच्छर, लौरो न हतियार !
Meaning: Of no use.

भिर को चिन्डो, उधो न उभो !
Meaning: Trapped like a gourd hanging under a cliff.

आए बाउको गए सासु को !
Meaning: Taking a chance.

अचानो को पिर खुकुरी ले जान्दैन !
Meaning: The inflictor doesn't know the pain of the wounded.

These are only some ukhan tukkas which I found but there are much more out there.
THANKS FOR READING :D