A Barracuda is a person that traffics illegals from Cuba/ neighboring islands to Florida... much like a Coyote that traffics people from Mexico to the US.
me:"hey did you pay off that barracuda runner"
dude:"nah man, i done spent that money on a new white tee"
me:"dude your amigo is gonna get killed by that barracuda"
dude: "AY CARAMBA!"