A person who is late and is annoying because of this.
Example, in zombie survial and a person is late to get into the house before it's barracaded; they procede to destroy the barracade, then you all die. Even though everyone is shouting "you dont get in cos your a latefag!".
ayon kay T3h L33T /\/\ /-\TT ika-16 ng Abril, 2008