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The act of having sex with a woman soon after 2 previous partners has had sex with her. Traditionally used in relation to more than one man double penetrating or having vaginal intercourse and/or anal intercourse with a woman within a short period of time. The implied scenario is that after a period of intercourse, the first 2 males ejaculates, depositing semen in the vagina and/or bootyhole, and then withdraws, followed immediately by a 3rd male who engages in intercourse with the same woman, making it more sloppier and faster. 3 men running a train on a woman can also qualify as sloppy split seconds.
I go first because I hate sloppy seconds, especially sloppy split seconds.
by Mr. Terrence L. Trezvant March 28, 2009
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