back scrape
The unfortunate circumstance that occurs when a male is receiving oral sex and the person giving the oral sex accidentally applies teeth to the man's penis. Typically, this occurs when the penis is exiting the giver's mouth, hence 'back' scrape.
Last night I hooked up with a chick and, when she was sucking my dick, I
was the victim of some unfortunate back scrape.
was the victim of some unfortunate back scrape.