A game that is played in jail. To catch a "Fish," an inmate would find a fairly new member in the jail. They would then take them to meet the "Fisherman," or the gang, after which the Fisherman proceed to gang rape the fish, all the while chanting "fish.....fish.....fish.....fish....." The fish has then been caught
Being an upperclassmen, but trying to pick up freshmen who are willing to jump at your bait as you are older and are considering them, the younger fishes.