clonked out 

The past tense of "clonking out" (the state of being very tired or made tired); having fallen into deep sleep.

"Yo, bro! I 'clonked out ' last night!"

"Really?! That's intense!"

"Right?!"

clonked out by IolaDavis July 31, 2016

conked out 

to suddenly, and without warning, transition from a fully-functional state into a completely non-functional state.

"...and the next thing I knew, he had just conked out, right there in the middle of the room."

conked out by acron^ October 30, 2009

conked out 

1) To suddenly be in a state of fully functioning to non-functioning.

1)We drank until we puked and then we all conked out.
3)I heard a pop come from the blender right before it conked out.

conked out by Jacob Perrotta December 28, 2004

clocked out

To be asleep!

Where's Jim?

Oh he's in bed clocked out

clocked out by Xx25 February 2, 2014

conked out 

A slang phrase referring to being high.

"Dude I was so conked out last night."

conked out by ælæxandær m§chæl √☺æ∞┼ June 12, 2019