when the female vagina is loose from a lot of intercourse and becomes sloppy and disorientated and sometimes it's hard to tell what's what.
"did you have sex with susan, bill?"
"no, i got that bitch home only to find out she had a gnar-vagina!"
"no, i got that bitch home only to find out she had a gnar-vagina!"
by instru April 27, 2006
Get the gnar-vaginamug.