A toothbrush.
A clop cop.
Older
He wrote "1 + 0 = 0" and then spent the rest of the lesson trying to rub one out...
He rubbed him the wrong way.
Run like hell, she's got a grenade in her mouth
Keep your mouth shut and you'll never get caught.
Because anywhere else it would've been called the teethbrush
West Virginia, anywhere else it would be called the teethbrush
Can't Produce Anything
A drug is a substance which when injected into a guinea pig produces a scientific paper.
Brushing your teeth