Like a hard on, it comes about when some thing is arousing, but not enough to induce a full erection.
Harry T가 작성 2007년 08월 14일 (화)
A semi-erect penis. (See: Semi, Chub) Fifty percent of a Hard-On. A "bulge in the pants," as it were.
I often get a half-on while leering at females on the subway.
Time4SumAksion가 작성 2005년 09월 06일 (화)