Someone who bails on his friends and screws them over.
Mapes is the biggest fuckin blackballer ever.
by peabag January 17, 2005
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to vote against, to exclude socially, or to reject someone.
-The children was blackballing from gym because of there behavior.

- The book was blackballing from the contest, because the author cheated and copy someone else work.
by Chardai D. January 10, 2010
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The act of giving somone blue balls and then dipping their balls in liquid nitrogen until frostbitten
I gave your uncle blackballs, you’re next
by Bubbi_Marce May 20, 2022
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1.) Verb (indicative): To have sex with an African American.

2.) Verb (subjunctive): To be ostracized for having sex with an African American male.

From the word blackball (blkbôl): (noun) 1. A negative vote, especially one that blocks the admission of an applicant to an organization; 2. A small black ball used as a negative ballot.
Movie star Sue Lyon's career went on the rocks in the 1970s when Hollywood blackballed her after her second marriage to Roland Harrison, an Afro-American photographer and football coach, with whom she had a child.
by Nelly Scratch December 5, 2006
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When a young, skinny, and timid white man is gangraped by a group of black thugs. The act is sometimes consensual.
Yo, let's blackball that cracker Chris. I've been needing to get my rape on.

See Blackballed 6 the movie.
by TheDiddlerMan February 10, 2011
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Adjective to describe any male person with very dark skin especially men of African descent.
Those professional basketballers would all be blackballed.
by Busted Hyman July 7, 2006
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Also Referred to as either a black Persons BALLS or a Black Plastic/marble/etc. kinda ball it Can be used either way it is more commonly found in gaming when someone either shouts "BLACK BALLS" Referring to alot of things like for instants A Black Man in general, A Classified A tier Legend of a man, etc. You can even Shout "BLACK BALLS" as a confidence boost or to seem cool. there are a million in one ways to use it. i could only come up with a few.
The word being defined

Ballsacks: Dude do you wanna suck on my blacksack of balls(or Blacksack)

BlackBall(S): Hey, dude/babe (or anyone you are talking to) Do you wanna go jump into the BlackBall Pit?
by JFKUnalivedbyholyrights February 20, 2022
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