Fish hook- a sexual manoevre in which one person uses a finger or a thumb to form a crudely improvised hook inside the orrifice of another, followed by exerting an outward, stretching pressure on said orrifice.
"Dude, I was in the heat of the moment and I fish hooked my Mrs...didn't she get upset with me! "
"Stick that thumb in my mouth and fish hook me big boy!"
While performing intercourse "doggie-style" this maneuver involves the pitcher inserting his curled finger into the catcher's mouth and pulling back to degrade the subject or cause pain.
A "double fish hook" involves the same maneuver using both fingers.
A "rusty fish hook" involves fingering the ass of the catcher prior to insertion of the finger(s) into the mouth.
When I walked in I saw Carlos spanking your sister's ass and giving her the fish hook.
Putting a finger in someones mouth while trying to hurt them and then pulling as hard as you can to rip their cheek. This resembles a fish being hooked so is called the fish hook.
As seen in The Gangs Of New York
The extremely painful yet extremely fun to dish out torture method where somebody in the possesion of a hockey stick creeps up behind a man, sticks the hockey stick in between his legs, lifts it then draws baack.
I fish hooked some of my hockey team members to check their gender this morning