1. characterized by or proceeding from a stupid action.
2. something that comes back to bite one in the ass.
3. has the appearance of something cool, but ultimately turns out terribly for the initiator.
–noun
7. Informal. a kaboomerang.
Man#1: So, then I got so mad that lit my shirt on fire to prove he was wrong.
Man#2: And how did that work out for ya?
Man#1: ...had to go to the hospital.
Man#2: Well that sucks.
Man#1: Yeah, it was a total kaboomerang.
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.