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1. fishco
a magical, wonderful place, where belligerent freshman athletes mate on wednesday nights. and lose their jackets.
"what are you doing this wednesday?"
"going to fishco, obvi..."
2. Fishco
Boyfriends that cheat on their girlfriends with nasty bitches and catch a repulsive infection that makes their penis smell like fish. Thus, the male being called Fishco.
Sarah: Dude, my boyfriends dick smells like fish...
Laura: Oh no, he's a Fishco!

Karissa: Oh... I thought that was normal.