refers to when a man has anal sex with a man or a woman until the receiving partners anus is gaping. Then the man proceeds to shit into the receiving partners gaping anus.
Holy shit bro, Melo gave Suzie a grand canyon in the back seat of his STI. The car smelled like shit for days.
by sin city bags July 22, 2009
Get the Grand Canyon mug.
The act of which during sex the male inserts his cock in the bottom of the females cleavage and runs it through to the top where she then gives him oral sex.

Less technical : Stick da cock inbetween them titties to get that blow job!
Man I swear,if the woman aint got big tits theres no point for a grand canyon.
by Jake October 13, 2004
Get the Grand Canyon mug.
The grand Canyon is when you snort a line of coke starting from the clitoris all the way to the anus of a stripper
Damn bro I can't cant believe Frank did a grand Canyon off of the fattest stripper here
by GHOSTcrow July 28, 2018
Get the Grand Canyon mug.
A term for when someone's butt crack seems to be hanging out. AKA- A plumber's crack.
Ohh man! Look at Kaity! She went to the Grand Canyon and she ain't ever comin' back!
by Chassi Anne May 24, 2010
Get the Grand Canyon mug.
the biggest wedgy you can get it is when your trousers and pants are going so far up your arses that you can see hoe deep the perosns arse crack is.
my did you seee that pe teachers grand canyon
by soup is cold May 9, 2008
Get the Grand Canyon mug.
a vagina that is loose and dry

a female version of the male "chode"( a penis that is wider than it is long)
Bitch: Marty you have a chode.
Marty: Oh ya, Bitch, you have a grand canyon.
by the vagina cutter January 19, 2009
Get the grand canyon mug.