A compound of Fanny and Canyon.
Used to describe a woman's spacious opening between her legs.
"I did 'er last night, Man... she had a FANYON!! Didn't touch the sides!!!"
by Queenofthedamned June 4, 2007
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A dramatic emphasis on the gap between the top of a females legs when they are extremely skinny.
Wow she has very skinny legs, look at that grand fanyon dude!
by Smizzlemimps February 26, 2011
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