An imaginary female that a male lies about having sex with.
Mike was bragging about having sex with Lucinda, who we all know is his Ivaginary Friend.
by Nathan Lucas Scott January 21, 2016
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The girl one of your male friends claims to have had sex with after being separated from the rest of your group (boys, crew, etc.) for all or the majority of a weekend night. The rest of your group has no way of ascertaining any information about whether your friend actually lost his virginity or who the girl is. She lives in a big city or goes to a huge university, has a generic first name, no memorable last name, no phone number, and no identifiable social media.
Crew-member A: John keeps going on about hooking-up with his ivaginary friend.
Crew-member B: Yeah, how long do you think it'll be before he actually gets laid?
Crew-member A: With his game, that's the best he'll do for a while.
by goyo May 4, 2016
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