When a gay guy gets fucked too much and his colon becomes a distended tube sock from over use; a bad case of trunk butt; See also: gaping.
Lance complained about his boyfriend's blown out hole to anyone who would listen.
Chad went to the gangbang hoping to get his ass fucked down and blown out.
You knowthe pussy has had too much road war from too many porno cocks, because it looks like an M80 went off in a pound of hamburger and it is barely discernable.
Damn bra that shit was blown out, blown the fuxk out , didn't know what I was sticking my dixk into.