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Sexual exchange of fully aware and willing partners. This act can take place either during one occurance or over the course of months or years.
Tom: "Yo, did you and Mike both take home that chick at the bar?"

Eric: "Yup."

Tom: "Nice! She didnt seem look like a slut though...Im surpised she was into a threesome."

Eric: "She wasnt, but she wanted to fuck us both so Matt and I did a tap and trade. I went first 'cause I'm not into sloppy seconds."
by politicalhumorist October 26, 2010
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