Top Definition
A female who acts like a guy, dresses like a guy and hangs out with guys. In some occasions this female might be a lesbian.

bitch1:Eww, omg, why does she always hang out with guys?
bitch2:Uh... duh, she's a diker biker.
bitch1:A wat?
bitch2:A diker biker; a girl who wants to be a guy and always hangs out with them.
bitch1:Ooh, ok, then wouldn't that woman on the street who's wearing baggy man clothes be a diker biker?
bitch2:No you blonde, she's a hobo.
by Michelle478 November 22, 2005
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