(n.) A person who is so annoying and/or stupid as to resemble Fagtron, the mysterious and fabled computer built in 1918 by the Chinese. This primitive adding machine stood over fifty feet tall and filled an entire office building. It was well-known as the world's gayest and stupidest computer until its destruction in 1924, caused by an acute case of e-AIDS.
Did you hear Jim talking about his vacation in the breakroom? What a fagtron.
THE insult. A fagtron is a person who has so many negative qualities such as small genitalia, ugly features, a lack of brain matter, lack of pubic hair, and severely faggy personality traits like being annoying, touchy, loud, stupid, or lame.
fagtron: Hey guys. Star Wars sucks. I love Star Trek!
Cool kids who like star wars and get mad pussy: Dude, you're a fucking fagtron.