Mac Nut - A guy who acts like a chicken when someone dares him. He's a

A guy who acts like a chicken when someone dares him. He's a total wimp and probably cries when he gets a paper cut.

'He was called a Mac Nut, but when I dared him to eat a whole plate of spaghetti, he ran out screaming.'

'That guy's a Mac Nut. He couldn't even handle a little bit of pressure.'

'She said he was a Mac Nut, and he went from cool to scared in five seconds.'