So Cindy shaved last night, that was the best damn fish knuckle I've ever had.
by GurrBurr August 21, 2010
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A fish knuckle is when a woman masturbates vigorously to the point that her "natural" feminine odors now permeate directly off of her knuckles.
After 2 hours of abusing her pussy to pictures of The Rock, it appears as if Cindy is now suffering from fish knuckle.

Big lipped Jamal wasnt sure if Shaniqua ate catfish for lunch or had the fishknuckle.
by Wrestling SOup November 29, 2012
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The seductive art of fingering one's vagina
Mary & I were fooling around at her house last night & even though she wouldn't let me go all the way she did let me go knuckle fishing while her parents were upstairs watching Glee.
by Jahangaleez September 29, 2010
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To get be fooled, duped, or tricked into giving someone money.
"Hey man, I just gave that homeless dude a twenty, then he hopped in his rarri!!"

"Damn son, you just got fish knuckled"
by walledcivic October 10, 2014
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