The act of stretching ones labia majora to the absolute limit of its elastic capability. Usually under the assumption that this act of self-destruction is sexy.
"Goddamnit! Is that Kara's vagina bat wings? I'm eating breakfast here!"

"Isn't my vagina bat wing sexy?"

"...............I don't think we should talk anymore."
by Blinded-by-the-bat-wing September 24, 2013
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