An older, heavy-set woman. Very similar to a MILF, but without the wanting to have sex with them part. Can be any chunky woman, but usually reserved for fat blondes.
Sure Dan's wife is a butterbomb, but it's not like he has a whole lot of other options.
Person A: Hey man, I've been hooking up with this hot chick all week
Person B: Pics or it didn't happen
Person A: Nah man, she's a butterbook, wait until you meet her
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."