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1.
a girls fishy smelling cuche squrting in ur face.
dude she just fish pasted me hard.
by fickleniger May 13, 2008
 
2.
A build up of male and female fluids in a woman's vagina that has turned into a paste and smells.
Female: 'Its been ages since I've had sex'
Male: 'What is this fish paste then?'
by LDouble3 November 30, 2011
 
3.
Cum. Stuff that comes out of a guys cock (no not a rooster).
"His fishpaste tasted way better because i made him eat fruit."
by x-[Dudeface]-x June 03, 2007