An adjective that describes any orifice that has seen copious amounts of penis or similar object (e.g. broom).
Alan: Good Lord! Your bumhole is extraordinarlily slack, I doubt my penis would even touch the sides.

Jill: What can I say, I like penis.
by DaftusCuntus September 27, 2009
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Slang for the prescription anti anxiety medication xanax.
Damn, that chick was all zipped up on the slacks. It's no wonder she can't remember what happened last night.
by red rob September 23, 2010
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Veniecia's was wearing slacks today.
by Kumquatolian October 27, 2005
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Being slack is a new way of dogging let's say someone said you could have last beug then they had it, that would be pretty slack
sketch guy 1: oi bruzzy got any spin
sketchy guy 2: nah sorry bro

sketchy guy 2 pulls spin out of his bag

sketchy guy 1: that's just slack as man
by Uncle Andos July 5, 2017
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when she’s on her period so you finger her butthole
“man she got slacked bro”
bro what the fuck is slacking dog?”
aw bro you’ll find out soon enough”
by bitchtiddies6969 June 3, 2018
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describes the physical state your in when on Vicodin or Norco. very relaxed and a slacking attitude. similar to saying you are "stoned."
where you been man?

dude i been slacked out in the bathroom cuz these pills.
by Bankadank November 10, 2010
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unfair, out of turn
that was slack man!
by Anonymous October 16, 2003
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