A muffin including unstable properties which kicks fucking ass. Unfortunatley, it has side affects including paranoia, dillusion, and downright insanity. They only way you can avoid these side-affects is if you are a pothead. But this is not safe either, because hardcore muffins give potheads horrible seizures and braindamage similair to that caused by acid.
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.