slack jaw

Dropping the mouth open and leaving it open for a time period in astonishment or amazement.

When I got the bill for the $5000.00 she put on my card for clothes at Nordstrom, I was slack jawed.

by Silicon Valley Slim May 20, 2009

slacker

a nice person to chill with

We kicked it with the slacker from down the street

by Penny December 14, 2002

slack-arsed

Term used to describe someone who is known for dropping an inordinate number of farts, usually to their to own delight.

Eh, you shit?
Yeah! (gleefully)
You slack-arsed bastard!

by ant August 9, 2004

Shlack

Popular term among cruiseship crew with multiple meanings:
1 Drinking "bottoms up" style
2 Hitting something / someone
3 Getting beaten / smashed
4 Finishing the job quickly
5 Cutting / chopping something
6 Rough sex
7 Breaking rules
8 explosion
many more related meanings
and sometimes: it just means Shlack

1 Got some Vodka from under the counter. Wanna Shlack?
2 I just wanna Shlack the babalu across the face!
3 The wawes were Shlacking the side of the ship all nite
4 Lets go guys, shlack shlack so we can go to crewbar
5 Shlack - Shlack - Shlack need say more?
6 SHLACK YOU!
7 Listen, stop shlackin around ok?
8 - - - = = = x x x S H L L A A A C K K ! ! ! x x x = = = - - -

by alacartouche April 24, 2014

Slack arse

Does not mean an unfirm bottom, but it means a person who is very lazy

I had to fire David as he was a slack arse

by Windy28 September 3, 2009

Splackavellie

Just somebody you can call when your body needs a fix. He'll put you in his mix. And you'll hear him askin' "What's my name? Say my name!"- Splackavellie.

S-P-L-A-C-K-A-V-E-L-L-I-E. Splackavellie, ba-a-aby!

by C-Dry October 17, 2008

slackdaddy

A master slacker. One who excels at the art of slacking, to the point that it appears a serious effort has actually been made.

A slackdaddy invites slackers over to clean his place, and they will, without ever realizing a serious effort has actually been made.

by slackdaddy November 22, 2006