To slack off with many people at the same time.
I'm not done with that yet; I've been multislacking.
by The Grammar Nazi February 21, 2003
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One who engages in several slacker activities simultaneously.
I've been sipping lattes, facebooking, creating online wishlists and submitting words to urbandictionary.com all morning. I'm such a multislacker.
by RealNaughtyRN November 18, 2010
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To be slack in several ways, against several people, more several reasons.
Public schools are so multislack.
by B-Drac July 26, 2003
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Having several jobs you rarely show up for...
He made his fortune multislacking...and never showed up!
by Guitarman22255 September 25, 2018
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