1. A good looking young lady who possesses a rather grotesque vagina.

2. Someone with undesirable physical, mental or social qualities, much like an old lady's vagina.
Youth #1: Shit dude i wouldn't wind getting in Stacey

Youth #2: Nah you dont wanna do that, she's a Grannyfanny.


Enraged Driver: Piss-off ya Grannyfanny!
by Franno November 26, 2007
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The ost smelliest horriblist thing ever in the world. it has the smell of 80,000 corpses and looks like a giant squid giving head.
" ohh my god ur granny fanny is tickly"
"eeuuuggghhh dude"
"does that thing have a moustache"
by Lee April 06, 2005
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When a smokin hot chick has a sub-par ass.
Jerry "Man look at that dime!!"
Jose "Are you Fuckin Crazy?! She's got a granny fanny"
Milt "Who cares, she's a brown bagger"
Jerry "Amen"
by pro2aria May 18, 2007
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Panty lines resulting from wearing fullsize panties beneath tight workout clothing such as yoga pants or spandex shorts
Checkout the Granny Fanny on that chick in the yoga class
by vitesse04 June 27, 2018
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