Definitions by Rubbernck

rubberneck 

A total numbnuts!

Slang for a person who has just committed or ready to commit an act of stupidity.

This whole traffic jam is becuase that numbnutted cop decided to stop someone for not using his blinker during rushour. What a freakin rubberneck!

rubberneck by Rubbernck December 24, 2003