A communications system consisting of letters coded into dots and dashes, and used in radiotelegraph systems. (usally HF systems), and its fun to jam freeband stations with this stuff.
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."