A sexual act which involves licking a woman from the top of her ass-crack all the way around to her belly-button, or vice versa.
Can be abbreviated as a GCT.
Can be abbreviated as a GCT.
That girl is so hot!! I'd like to take her Grand Canyon Tour!!
Last night, I took a GCT with my girlfriend.
Last night, I took a GCT with my girlfriend.
by Robert Harris May 1, 2004
Fag #1: Dude I was giving girlfriend a good time last night! But she said I sucked?
Fag #2: Well did you give her the Grand Canyon Helicopter Tour?
Fag #1: Naw Man, I'll have to try that next time!
Fag #2: Well did you give her the Grand Canyon Helicopter Tour?
Fag #1: Naw Man, I'll have to try that next time!
by IncorporealContributor May 28, 2013