Top definition
An asshole who insists on enforcing every minor rule of whatever game your playing with your friends.
friends playing football together

Chuck: Whoa! Excessive Celebration! Thats a a 5 yard penalty on the kick!

Everyone Else: Fuck you Chuck! Your such a rule tool!
by GoWizards!!! January 22, 2013
Get the mug
Get a Rule Tool mug for your cat Julia.