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1.
A sexually dominant black guy with a fetish for white women.

Also a black male who has a fetish for impregnating white females.Particually married white females whos husband is white.

Usually has a big dick.
Terrance is my wifes black bull.
by kinkmaster May 13, 2007
 
2.
In the American cuckold and swinging communities, a black male who has sex with the female half of a white male/female couple, while the white male watches.

Some cuckoldry fetishists extend the fantasy to one where the black male impregnates the white female and the white male is forced to pay and care for the baby. Some fetishists are into "cleanup duties" where the cuckold is made to eat the semen off the black male or the white female.
I posted an ad on Craigslist for a black bull to come and fuck my hot wife.
by FireMe Hotly August 16, 2009
 
3.
Malt Liquor for the mature alcoholic. With an alcohol content of 10% and a low, low price that appeals to high-school students and natives alike, two 40s of this nectar of the gods can make you the life of the party, or send you to the emergency room. Brewed by Pabst in the US of A but found in Canada.
Black Bull has alot of potential to be one of the best in Canada. The fact that it weighs in at 10% makes it a true heavyweight. All in all when you first smell this badboy you want to cringe, but as soon as you start to swill you find your self quite satisfied. -40ozmaltliquor.com
by HKIC April 15, 2004
 
4.
A cocktail, served in pitchers, that consists of a can of Red Bull and five shots of black vodka.
It is reputed to have the same effect as speed and hence drunk in large quantities by pussy-ass 16 year old wannabes. In reality it just makes them very drunk and turns their puke green.
BLACK vodka + red BULL = BLACK BULL
genius!
by intheflesh December 09, 2005