A move performed during sexual intercourse, usually performed while penetrating from behind. To do this one must ensure that a wall or other hard object is nearby. Near climax the giving partner thrusts fiercely slamming the receiving partner's head into the wall rendering them unconscious. This allows the person delivering the morseplow to leave easily.
Jenafer, "My head hurts this morning."
Lukas, " Don't your remember?"
Jenafer, "Remember what?"
Lukas, "The morseplow. Nevermind then."
A sexual act performed by one girl, thirty guys and a merry-go-round. To do this, the girl kneels on the edge of the merry-go-round and the merry-go-round is given a swift spin. As the merry-go-round spins, the girl then gives head to each male in the circle, creating a seemingly endless circle of blow jobs.
Jimmy: Hey, did you get the dirty thirty?
Leo: No, I can't drink, there are exams this week.
Jimmy: No, I mean the dirty thirty from Nafer.