Three guys are in a car.
Their names are Manners, Stupid and Crap. 
Crap falls out and Manners goes to pick him up. 
Stupid gets pulled over a few minutes later and the cop says:
"What's your name?"
Stupid says:
"Stupid."
The cop frowns and says:
"WHAT"S your name?"
Stupid says:
"Stupid!"
The cop snorts angrily and says:
"Where's your manners, boy?!?!"
And Stupid says:
"Down there picking up Crap.