Sleepcocking
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.
sleepcock
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.