Top Definition
Acronym for: sex under the influence. That incudes any substances including alcohol folks! :)
Dude 1: "Geez man I had some gooood S.U.T.I last night..."
Dude 2: "Another one- night- stand then?"
Dude 3: "yup :)"
by Firelovesugar January 16, 2009
5 Words related to S.U.T.I

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