(n.) - A mildly Autistic male who tends to be that guy. Typically hangs out with girls who are significantly younger than him; but, remains a virgin until late in life. Extremely socially awkward and makes out with girls after they've given cooler and less socially awkward males dome.
Male Friend 1: Hey man, I think our friend is a Horsefag. He has to at least have Aspergers or something.
Male Friend 2: Yeah man probably, he made the most Horsefag faces after he ruined our beach party.
Male Friend 1: I think we should get him tested.
Horsefag: I'm right here guys.
Male Friend 2: Shut the fuck up Garrett.
Unlucky Female: Hey I just blew a popular football player with a big dick. Anyone here want to makeout for a little?
Horsefag: Yeah brah, I'm game.
Unlucky Female: OK, but you're mildly autistic so keep your hands where I can see them.
A person with a long narrow face, bugly eyes, big teeth, a gaping mouth, and other horse-like facial characteristics but you actually find them very attractive in part due to their horseface features.
Joe: I used to think all horseface chicks were ugly but man Rachel Starr is definitely an exception to that rule.