shum shum

slang for psychedelic mushrooms.

after i had my shum shums i saw beautiful colors

by stephanie sorrell August 18, 2006

shum

mixture of shit/cum after a good assfucking

Joe's mother caught on to his homosexuality the summer he was home from college and she noticed a shumstain on his briefs.

by david rauch January 7, 2006

Shum

To shit and cum at the same time; a solo blumpkin, if you will.

Everybody run, Sammi's going to shum like crazy!

by Not A Facebook Friend August 30, 2011

shum

The byproduct produced when a male shits himself while having an orgasm.

We had to change the sheets on the bed because there was shum all over them.

by seapocket September 28, 2010

Shum

Occurs when a man simultaneously shits and cums during ejaculation either alone or with a sexual partner.

When I have sex with her, it's so good that it makes me shum!

by Eric the Terrible January 21, 2010

Shum

Combination Shit and Cum

the brown liquid that falls from the arse after a cum filled arse fuck, usually a brown creamy liquid, sometimes filled with vegies or some sort of seed.

o yer, o yer, *splat* awww yuk babe look at all that Shum leaking from your arse

by AZDAWG231 September 2, 2009

Shum

Ejaculating so hard you shit yourself

Man, he fucked her so hard, he shumed in her mouth.

by Lover/Fighter July 7, 2011