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1.
To prevent someone from getting sleep.
Cotblocking is rude.

He was a jerk so I cotblocked him.

You know why Ted missed the meeting this morning? ...I cotblocked him last night.
by Festivus October 25, 2009

Words related to Cotblock

block cot deprive funny sleep
 
2.
v.

To prevent your roommate from obtaining sexual gratification by forcing the bitch in his bed to sleep on a cot.

n.

The act or instance of cot blocking.
"Don't ever cot block me again, you asshole."
by Chang February 05, 2005