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1. Wnco mwnco

It means: Him over there

How you say it: Oon-core moon-core

2. Onco fonco

It means: Like 'wnco mwnco' but for girls

How you say it: On-core Von-core

3. Man a man a mwnci

It means: Might as well

How you say it: Man ah man ah moon-key

4. Gwdihŵ

(Image: merec0/Flickr)

It means: Owl

How you say it: Good-ee-hoo

5. Sboncen

It means: Squash

How you say it: Sbon-ken

6. Meicrodon

It means: Microwave (it does not mean 'tiny gangster')

How you say it: Micro-don

7. Smwddio

It means: Ironing

How you say it: Smoothe-yor

8. Pili pala

(Image: whologwhy/Flickr)

It means: Butterfly

How you say it: Pill-ee Pall-ah

9. Chwyrligwgan

It means: Merry-go-round

How you say it: Choo-url-ee-goo-gan (The 'ch' sound is the same as the Scottish loch). Good luck with that one.

10. Igam ogam

It means: Not going in a straight line

How you say it: Ee-gam O-gam

11. Buwch goch gota

(Image: Strange Ones/Flickr)

It means: Ladybird (literally 'little red cow')

How you say it: Bewch goch got-ah (The 'ch' sound is the same as the Scottish loch).

12. Pendwmpian

We're testing a new site: This content is coming soon

It means: Nodding off

How you say it: Pen-doomp-yan

13. Bwgan brain

(Image: shellhawk/Flickr)

It means: Scarecrow

How you say it: Boo-gan braen

14. Sielffo

(Image: storem/Flickr)

It means: Having sex

How you say it: Shelf-o

15. Clatsio

(Image: slgckgc/Flickr)

It means: Fighting

How you say it: Clat-cho

16. Sglodion

It means: Chips

How you say it: Sglod-yon

17. Swmpus

It means: Awesome

How you say it: Soom-piss

18. Twmffat

It means: Idiot

How you say it: Toom-fat

19. Lembo

It means: Idiot

How you say it: Lembo

20. Bwci bo

(Image: Paramount)

It means: Ghost

How you say it: Bookee bore

21. Wiwer

(Image: Jlhopgood/Flickr)

It means: Squirrel

How you say it: Wew-err

22. Pendramwnwgl

We're testing a new site: This content is coming soon

It means: Falling headlong

How you say it: Pen-drah-moon-oogl

23. Spigoglys

It means: Spinach

How you say it: Spig-ogg-liss

24. Jiw jiw

It means: Good God

How you say it: Jew jew

25. Dros ben llestri

It means: Over the top (literally: over the dishes)

How you say it: Dross ben llestri (the 'll' sound is an aspirated L. Form your lips and tongue to pronounce L, then blow air gently around the sides of the tongue. The nearest you can get to this sound in English is to pronounce it as an L with a Th in front of it).

26. Mŵg drŵg

(Image: MattysFlicks/Flickr)

It means: Cannabis (literally 'bad smoke')

How you say it: Moog droog

27. Wilber

(Image: Paul Lucas/Flickr)

It means: Wheelbarrow

How you say it: Will-berr

28. Llond fy mol

(Image: Universal Studios)

It means: Full

How you say it: Llond vuh moll

29. Ling di long

(Image: Google)

It means: Lackadaisical

How you say it: Ling dee long

30. Bonclust

It means: Clip around the ear

How you say it: Bon-clist

31. Clecs

It means: Telling tales

How you say it: Clecks

32. Rhoi'r ffidil yn y tô

It means: To give up (literally 'putting the fiddle in the roof')

How you say it: Roy'r fiddil un uh tor

33. Paffio

(Image: Claudio Gennari/Flickr)

It means: The professional version of 'clatsio'

How you say it: Paff-yor

34. Ychafi

(Image: John Robinson/Flickr)

It means: Horrible

How you say it: Uch-ah-vee

Learn how to say some of our favourites from the list in this video