Slang for McDonald's, originating in Ulster
Rite lads, we're goin' down till Maccy D's - are youse lot comin'?
A really cool thing to say when you're sitting in class bored out of your skull after listening to a really boring teacher rant on about something you have no clue about
Teacher: So, now its time for your differential calculus test. Take out a...
Teacher: You - WAIT BEHIND AFTER CLASS!
Me: Aaw crud.