Top definition
Literally, a lesbian who rides on a bicycle

Otherwise it is a general for any common rug muncher whether or not they are on a bike
Person A) Hey ! There's a girl on a bike
Pereon B) No ! It's a dyke on a bike
Person A) Ohh ! There's another lesbian, but she's in a car
Person B) She's still a dkye on a bike
by arab a rab April 03, 2009
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2
so basically this is when there is a lesbian that is riding on a bike. and when you see one you yell!!! nothing against these people though.
"DYKE ON A BIKE!!!"
ahahahah
by DC1010 August 12, 2008
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