bum your mum

The act of having buttsex with a mother

"Go bum your mum!"

by mmmm yummy yummy cummy cummy September 17, 2019

Whatever [bums] your mum.

When someone doesn't have the same point of view as you, you use this saying. Usually used in a sarcastic tone.

"Oh my God! Don't you just love watching hamsters piss!?!"

"Hmm, Whatever bums your mum."

by x_Lucie September 11, 2006