Top Definition
Vanilla Transmitted Infection: When one is in a non-monogamous lifestyle but still holds onto monogamous ways of thinking.
"We are swingers, but you can't sleep with my wife; she's mine."

Female 1: "How dare you sleep with him, I claimed him."
Female 2: "He's not your husband..."
Female 1: "Well.. no, but we have an agreement"
Female 2: "You've got a VTI hun."

"The girls of our swing community made a list, and I'm not on it. Well fuck all of them, they are ALL off my list because they are dirty sluts."
by rogue maverick August 29, 2013
Very Tan Individual.
Samantha is such a VTI.
by catluver January 15, 2011

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