Blum 

A mixture of blood and semen produced by having sex when a woman is menstruating.

"Shit, shit, shit! I've got blum all over the sheets."
"Aaaaah! It's all over my knob!"

Blum by xBlackFacex August 17, 2011

Blum 

A nickname for a bad-ass person who works on classic cars & motorcycles. (also rad upholstery for any vehicle) It's quite possible for a Blum to show up on TV, Velocity Channel.

"Aw, did you see that new bike Blum built?"

"yeah, fucking dope cafe-racer style."

Blum by donttellmehow February 26, 2013

Blum 

A person who's often feels left out... A third wheel.

Jackie: I hate hanging out wit you and Janet, I always feel like a third wheel.
Jane: You're such a Blum

Blum by Blumkinsforeveryone March 25, 2010

Blum 

Blum is the mixture of Blood and semen to form a balance of 75% blood and 25% semen. When in this form it is known as Blum. This mixture originated as the left river of the two separated by the snake.

"Mom i was masterbating and i blumed!"
"Ewwww! Look at all the blum!"

Blum by Zman110 August 20, 2011

Blum 

The act of vomitting in the yard at a house party. Originating from a demi-god named Mikey who vomitted on a man named blum's yard after taking a tremendous beating in a game of beerpong

Man I blummed everywhere I hope some dumb sorority girl slips in it while wearing her Uggs. That would be sweet

Blum by Mustafales July 1, 2005

blum 

A bloody cum; while discharging, you may be blumming if your cum is mixed with blood, usually involving severe pain from the penis; also known as male period juice

Jerry ruined his bed sheets after spraying blum all over them from shakin' the bacon too many times the night before.

blum by 56th street house May 26, 2006

blum 

bloody cum, usually associated when one recieves a rainbow

There was blum all over the bed after the hardcore sex.

blum by Jackyln May 13, 2005