n. a very large (rotund), tall, or manly,
lesbian-looking female.
perfectly described by Ellen Albertini Dow as Grandma Mary Cleary in the movie 'Wedding Crashers' (2005):
"But that wife of his, Eleanore... BIG BYKE, HUGE
DYKE,
UGLY RUGMUNCHER, BIG LESBIAN MULE!"
associated with a deep voice, occasionally a masculine style of dressing, and a tendency to grunt or roar.