mofoguy
A person or thing who/that is a total shitfucking son of a bitch. Usually used for someone like a prep, jock, "ghetto" faggot. Some of these people are cool, but a lot of them are mofoguys. Some may think because it has "mofo" in it it means motherfuck. This is not correct.
Lookit that mofoguy with his two inch dick. He a real assmunch.