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.
Jill: What can I say, I like penis.
by DaftusCuntus September 27, 2009

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 25, 2010

by Kumquatolian November 3, 2005

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
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

by bitchtiddies6969 June 12, 2018

describes the physical state your in when on Vicodin or Norco. very relaxed and a slacking attitude. similar to saying you are "stoned."
by Bankadank November 11, 2010
