slack knuckle

A male version of the infamous camel toe, esp. when flaccid.

"Holy cow! That is the biggest slack knuckle I've ever seen!"

"That guys pants are so tight his slack knuckle is poking out like crazy."

by Jadder Obbins July 7, 2008

Slackface

The expression of a mentally deficient person as they stumble through a realm of consciousness unknown to that of people with the proper number of chromosomes.

Look at that slackfaced motherfucker trying to hump a doorknob!

by Slackfaced June 12, 2018

slackerdaisical

A feeling of extreme sloth or indolence.

C'mon, bro, let's go out and do something.

Nah, dude, I'm feeling slackerdaisical, think I'm just gonna bomb out and watch toons.

by Shuaman May 7, 2018

slack

To slap someone with one's penis

"Ugh! I can't believe you just slacked me!"

by Superfly June 29, 2004

Slack arse

A word used for someone who receives anal a lot.

That girl Wendy over there, I heard the whole football team has put it up her arse. She must be a right slack arse.

by Yeahyea June 8, 2015

Slackadaisical

(adj.) A term used to describe someone who is quite lazy and unaware of urgency in any situation.

Someone who has characteristics of a slacker and the awareness of British Petroleum during an oil spill.

Slack(er) and lackadaisical combined. Usually this person gives off their manner by giving commands with no real effect.

1. C: J, I need you to fix the dishwasher in the kitchen.

J: Alright, I'll fix it in a minute.

C: Damnit J!!! Quit being so damn slackadaisical and do something for once!

2. K: Alright, finals are coming up. I'm pretty hungover... so, ummm.... do whatever.

C: You're pretty slackadaisical today, K.

3. L: If I ran her department, I'd be a friggin' terrorist!

C: Yeah we never get anything accomplished because she's so slackadaisical.

L: What?

C: If the entire store were to catch fire, she'd take the longest because she doesn't give a damn.

L: I see. She never organizes her paperwork until it's too late. She's so Slackadaisical!

C: Now you get it!

by Dr. Schizzlefritz B.S. January 13, 2011

slackback

A ho that doesn't want to work. Rather lay on her back and take the slack.

Lazy chick, stay at home mother that doesn't cook, clean or do anything productive with their kids, ghetto chick, baby mama, uneducated. Multiple children by multiple fathers. Slackback bitch.

by boss lady April 26, 2014