Clonk out 

Being extremely tired you could sleep right then and there. Usually heard from Australian youth.

"Today was so tiring, I could clonk out right now"

"Dude I'm so ready to clonk the fuck out"
"Same bro"

Clonk out by cheaux May 6, 2014

Clonk out 

A versatile word, can be used to describe something/ someone who has: stopped working, is dead, or fell asleep.

“God, the damn computer clonked out on me. I should’ve gotten the newer one.”
“I had to work all day today. I’m so tired I might clonk out.”
“Yeah, my uncle clonked out last week. Poor guy just couldn’t outrun those wild zebras.”

Clonk out by Get Lego Eda’d August 12, 2021

conk out 

when a person has no energy left and falls asleep.

turn the lift off im gonna conk out

conk out by devine August 19, 2003

clock out 

to register one's departure from work on an automatic time recorder

I'm gonna clock out.

clock out by dumdum_get_me_gumgum June 1, 2009

clock in/clock out 

verb: to finish something very quickly and efficiently

So did you ever get with amanda yesterday?

Ya man, but her dad was on the way home so i had to clock in/clock out.

clock in/clock out by Garrett666 August 17, 2007

Conk Out 

British slang. Meaning

1)To suddenly stop working.

2)To suddenly lose consciousness/fall asleep

My SatNav just conked out!
Don't let her mix weed and booze or she'll throw up then conk out in the middle of the lounge
I was halfway through my twelfth Jaeger Bomb when I conked out

Conk Out by GManIOM February 12, 2018

Clock Out With My Cock Out 

To "call it a day" at work so you can go party.

EMPLOYEE #1: Hey, dude, you coming to happy hour?
EMPLOYEE #2: Hells yeah! It's time to clock out with my cock out!

Clock Out With My Cock Out by StupidExpressions.com October 1, 2009