There Were 3 Guys in a Car

There were 3 guys in a car, their names were Shut Up, Manners, and Poop.
Poop fell out of the car on Main St, Manners tried to pick him up, Shut Up went to the Police Station, the Policeman said, 'What's your name?'
'Shut up'
'What's your name?'
'Shut Up'
'What's your name?'
'Shut Up'
'Where are your manners?'
'Down on Main St. picking up Poop.'

Found at
http://your-joking.atspace.co.uk/