when you insert you cock into a womans ass, then in her vagina (on her period) , once you cum hold the head of your cock, so the cum lays on top of the head...then let her have her home-maid chili-rainbow!
by love2ride August 2, 2006

The art of forcefully ejecting diarrhea from ones anus onto another person in an arc like a rainbow.
by SPC Cracker July 8, 2006

much like the rainbow, the chili rainbow is when there are different rings on a guy's dick from doing many different girls in the ass
I had LaQuisha, ShaNiqua, Belinda and Passion all up the Hershey Highway last night...best chili rainbow ever!
by Loose Grip November 24, 2005

During anal intercourse, the inserter urinates, releasing from the receiver's anus a combination of urine, blood and feces.
Trevor couldn't reach orgasm during condom-less anal sex because of his need to urinate, thus his release of urination into Ashley, causing the Adams chili rainbow.
by Shareeb4Prez February 25, 2008
