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1.
Female relative who has jumped the fence.
Dude, my mom's sister dumped worthless Uncle Earl, hooked up w/that husky butch in the flannel shirt from the food Co-op, and moved to Vermont. Now, she's my lesbi-aunt
by eyetye291 December 07, 2008
 
2.
An aunt who is also a lesbian. If she has a wife/life partner, they are a pair of Lesbiaunts. Pronounced "Lez-bee-ahnt."
"My gay relatives are coming over."
"Your lesbiaunt or your guncle?"
"The whole crew!"
by rararaahahh February 19, 2010