A fork of Rural Dictionary
Thoin, n.: that really awkward area where the thigh ends and the groin begins. Often used as a meter of the appropriateness of clothing, i.e., shorts/skirts that show thigh are considered "appropriate"; shorts/skirts that show thoin are not.
Dude, those are really awkward holes in your jeans; I can see WAY too much thoin.
Irish Gaelic phrase that means "Kiss My Ass". See also Pogue Mahone
Shut up and pog mo thoin!
It means have a good day, Trust me
Mum shouted out to the kid as they left for school "Pog Mo Thoin"