Black Spray 

Thin, viscous, frothy diarreah, which exits the anus in a conical spray pattern. The Black Spray is commonly the result of drinking numerous pints of Guinness and eating cheap greasy bar food and/or Taco Bell.

See also spray mud

I wouldn't go in there. I got a bad case of The Black Spray.

Black Spray by AnonymousDrinker June 26, 2005

spray on black

some who pretends to act like a black stereo type, (walks with a swagger or who tries to act like a rapper or gangster or someone from the ghetto) to try to act cool or for attention, there spraying them selves black (looking black) but they aren't really black

person 1: wow its josh
spray on black kid: yoyoyo i'm fo sho in da hood yeah boy!
person 2: what a spray on black

spray on black by randomhomemovies September 28, 2009

Backspray 

Verb. The act of building up pressure when you have diarrhea so all the diarrhea splatters all of over the back of the toilet

Yo that taco bell i had made me backspray everywhere last night

Backspray by Whiteboiaaron April 19, 2019