knock out 

to go to sleep. mainly said in reference to a full nights rest, 7 or more hours.

hey man, i'm about to knock out. laters.

knock out by noooooooooope June 10, 2009

knock out 

(Informal Noun) a person or thing that is overwhelmingly attractive.

Svetlana knew how to dress to perfectly complement her tall, athletic frame. By virtue of her bright eyes, silky long hair, and a smile that could stop a revolution, people widely regard her as a knock out.

knock out by JigHexadecimal September 2, 2007

Knock Out 

A sexy transformer who likes the way he looks in steel-belted radials. He attempted to join the Autobots in the television series Transformers - Prime on the last episode only to be rejected, but in the movie he was accepted. Knock Out is very concerned about keeping his finish clean and his paint looking fabulous.

Knock Out is not only an automobile, but an automobile enthusiast.

Knock Out by carryingthebanner October 23, 2017

Knock out 

To go to sleep.

I'm so tired so I'm gonna knock out!

Knock out by Blabbermouth June 23, 2014

Knock out 

What happens to anybody who steps up to Kash!

Two hits He hits you, you hit the floor. Knock out!

Knock out by Homies 2 December 23, 2008

knock out 

to fall into a state of deep sleep

dude im so tired, the second i go home imma knock out

knock out by UrGrandmasDawg June 13, 2017

Knock out 

The thing Laith will do to Chris if they box each other

Michael knows Laith can knock out Chris into the middle of next week

Knock out by Leonids Brutus January 23, 2022