The act of going on a night out with the intention of sleeping with as many prostitutes as possible, risking many things including the contraction of many STDs.
Guy 1: Dude what did you do last night?
Guy 2: I ended up crab fishing and now my balls have swelled twice their size.
Guy 1: Sweet
by WillT May 20, 2007
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Having sex with hookers, with the explicit hope of contracting the sexually transmitted disease commonly referred to as “crabs” (pubic lice).
"After the fight, I spent the whole week crab fishing without telling her, but I got nothing. Maybe next season."
by Jimmy Marrvelous May 29, 2005
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