1 definition by Jay Dogg

Top Definition
A slu is a slut-in-process, meaning she is on her way to being one but is not quite there yet.
A slu is a girl at the club who wants a lill sum-sum wearning hott mini skirt but without a thong. Eventually she will and therefore, she is is in process.
by Jay Dogg January 02, 2007

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