Define Bummder Meaning

Bummder
If one person is bummed and the other person is more bummed than that, then that person is bummder.

I told my friend she would be bummed I had a new bracelet but she said when I saw her new bracelet I'd be bummder.
By Farah
Bummder Brigade
A bunch of people that are really cool but like fingering each other arse holes after one of them has a poo

The bummder brigade
Jack: I think I need a poo
Everyone looks at Jack they then wait for jack to finish his poo then they get a metal pole and sick it up his arse

Jack: oooooooo I like that
By Vonnie