Grand Canyon Helicopter Tour

Slang for eating pussy while moving your tongue in a circular motion.
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!
by IncorporealContributor May 27, 2013
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