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1.
A females rear that seems to go almost directly from her wasit to the gap between her legs leaving little round for the butt. They still can be nice and round but appear to be 'short' hence the name.
Person A: Those chicks on Guitar Hero III sure have short asses.
Person B: Oh, I know!

Words related to Short ass

dwarf
 
2.
A short ass.
Scottie
by Bob May 24, 2003