Person who tries to give 'pleasure of the hand' to man but fails to make the experience enjoyable. The unenjoyable experience can be likened to having your cock stretched, twisted, man-handled, strangled or wrangled.

When you're being horny (especially around friends) and as a result shame ensues.

"Noun"
Label for someone who is a real doofus, a total knob, and this is the perfect way of expressing that.