1. (US) a dive in which a swimmer jumps, holds their nose and hits the water buttocks-first, the aim, and the result, being to make a big splash.
|Harder Collection n.p.: Ass-buster: A dive in which the diver holds his nose, jumps, and hits the water arse-first [DARE].|
2. an outstanding person.
|Stand On It (1979) 101: Cousin Ned was right. Yer going to grow up to be a real ass-buster.|
3. a fall.
|John’s Page [Internet] After stalling the grind correctly, try a good rail or a nice curb. Too much wax on the first grind will also cause an ass-buster.|
4. something challenging.
|ebtx.com [Internet] I took that test and did every question (right or wrong) by myself. So I can say with authority that it was an ass buster.|