1 definition by Ryan & Breanne

A base slut is someone that plays the bases alot. I.e. 1st base making out. 2nd base more advanced making out. 3rd base Oral sex. And a homeplate (homerun) being sexual intercourse
Man, that Aiisha, she a base slut she on 3rd base every nite with a different guy.
by Ryan & Breanne July 15, 2004
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