In a fight, a person may attempt to get his finger in the other person's mouth and tear along their cheek, thus causing the other party to submit.
Johnny took a wrong turn in trying to bite Mac's finger off when Mac fishooked him.
by Kung-Fu Jesus April 16, 2004
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Simular to the Donkey Punch, Fishooking is a sexual act.
When two people are going at it doggy style, the giver reaches forward and hooks their finger in the recivers mouth and yanks back on it.
The Double Fishook involes hooking both sides of the recievers mouth.
Kirsty, how'd you like a fishook?

No thanks Phil, I am not into fishing.
by cyanidemonkey September 26, 2006
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In Texas Hold 'Em Poker, a pair of jacks as your hole cards.
I went all in with fishooks.
by Coell May 13, 2005
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A sexual act consisting of a man sticking his finger in a girl's asshole while fucking her doggie-style and preceding to reach "hook" it into her mouth like a fisherman
i gave that Rita be-och a rusty fishook to remember me by
by OSUDamian April 2, 2006
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When you wiggle your uncircumcised penis at your cat and let it hook its claw into your foreskin.
Tammy was pretty pissed all day at work because last night Jeremy decided he’d rather have a nice ol’ foreskin fishook instead of fucking her wretched arse and ended up th the ER
by Puss Side On September 16, 2019
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