1 definition by twrigh3

BDM

A "BDM" is a slang term for a lesbian. "BDM" or "Big Dyke Mule" is used by the grandmother in the hilarious comedy "The Wedding Crashers".

Oh that Elenor Rooselvelt was just a carpet muncher. A big ugly dyke. A big, dyke mule! "BDM"

by twrigh3 September 24, 2010