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.