Jacket Potato
To push a jacket potato so far up someone’s backside that it comes out their front. It’s a very aggressive way to eat lunch and it’s not for the faint of heart.
My dad shoved a jacket potato up my mum’s arse and I had to eat it for lunch.
My brother did a jacket potato to my sister and now she won’t speak to him.
I tried to do a jacket potato to my teacher and she gave me a detention for it.