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a nick-name used for a girl who wears short shorts with sexy sayings on the back
"Sexy Bottom's shorts say "hit it!" today"
"Damn nukka."
by t3rk1sh August 19, 2005
A woman who has a sexy butt; ass; derrière; posterior; bum; booty; culo; buttocks.
That beautiful Russian woman has a very sexy bottom.

Sexy Bottom babes are everywhere at the beaches in Ibiza.
by KenBlume December 06, 2011