Top definition
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
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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
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