1. A virgin orgasm
2. a painful or violating orgasm often associated with an orgasm while having anal sex.
1. man: well how was your first time sweety?
Woman: it was good a painful experience, but at least I had a harmgasm.
2. man 1: So I heard you nailed that chick in the butt last night.
man 2: oh yeah I gave that girl a harmgasm too!