Bumder

a person who is a bummer and a bender, i.e. a homosexual. From the TV program The Inbetweeners.

Oh, piss off, you bumder

by Immortal Kombat June 12, 2018

Bumder

When someone in the same photo as you has a really big bum and takes all the attention (bumder) away from your bum.

"You're stealing my bumder"

by Scrunchie Lady July 9, 2018