jack slack

Very HOT. The best guy you will ever meet.

Jack Slack is very HOT

by Hot guy. March 13, 2019

jack the slack

To masturbate, aka to jack off, jerk off, burp the worm

Will Jack jack the slack tonight?

by EpicEric26 January 18, 2018

Slack-Jack

A complete and utterly terrible handjob. One that is simply not worth the time and honestly makes one wonder what the fuck is wrong with with the human being who's head is in your lap.

Brady came back Jones' house and told everyone that Liz gave him the Slack-Jack of the century and he'd rather stick his dick in a pinecone than experience that again.

by SpamoniJones April 07, 2010

Jack it and slack it

The action of “jacking it” (beating the absolute fuck out of your dick) and then “slacking it “ (lying around and not doing anything

Me: When I get home I finna jack it and slack it

Random nigga: vro same that’s like all I’ve been doing lately
Me: wait who tf are you

by Inatehiggers April 18, 2018

Cut me some slack, Jack

This is jive talking, and you shout out this when one of your homies busts a better move than you

"Yo man CUT ME SOME SLACK JACK that move was off the hook!

by BILLY BILO August 03, 2005