The father of the child (or children) of a divorced couple in which the mother has since re-married.
Hey, who is that creepy guy in the minivan that's watching us playsoftball?
Oh, him? He's just my yesterdaddy. He's just a little depressed since my mom married Biff.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."