Top definition
The girl at the club who everyone has slept with. So many people have rode her, she might as well be a bicycle.
Tom: (looks at hot girl) She's so hot.
Bryan: (nods) I know. That chick is fast, too.
Tom: How do you know?
Bryan: (looks at Tom) Dude, she's the bicygirl.
by N o b o d y December 26, 2009
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