look up any word, like dirty sanchez:
 
10.
a manly agressive lesbian
dont mess with a bull dyke or she will open a can of whup ass on ya
by Da Nastee One May 11, 2004
 
1.
large, masculine lesbian.
Look over there. Those bull dykes just kicked the shit out of that little Dutch boy. He must have tried to stick his finger where it don't belong.
by Anonymous November 08, 2002
 
2.
Big, burly, sexy and sweaty. They wear strap ons, wife beaters without a bra and often flaunt mullets or buzz cuts. They are the military mammas, the mechanics and drive your favorite semi.
Is that a man?
No that's a bull dyke!
by Spicyball March 02, 2004
 
3.
A extremely masculine, bitchy lesbian woman. Think of a bulldog > bullbitch > bulldye.

Known for being more buff than most men and strong disciplinarians.
Rosie O'Donnel is a bulldyke.
by PISKETTI April 30, 2004
 
4.
A highly aggressive masculine lesbian(dyke).
er no! mate, can't you see she is a bull dyke.
by Anonymous March 03, 2003
 
5.
A really masculine lesbian
Her mom is a bulldyke
by Christy February 11, 2003
 
6.
A ferocious, hairy, butch lesbian who takes charge at all times.
After the softball game, the short-haired bulldyke got out the strap-on and overpowered her feminine partner.
by ppabs March 31, 2005
 
7.
A dominant lesbian. Usually hs short hair or mullet.
Rosie Odonell is a Bull-Dyke.
by Adrian October 15, 2003