Verb: The act of awaking from a long dream of dick sucking, and a cock is in your mouth.
I can't believe Holly sleepcocked last night! Oh, she gets caught sleepcocking all the time.
by Mcshakey September 26, 2010
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To fall asleep jerking off, or while giving someone a handjob.
My boyfriend said I fell asleep giving him a handjob last night. I don't remember that - I must have been sleepcocking again.
by missoldskool February 8, 2016
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