Your dentist.
Because it helps them remember which end they need to wipe.
Said the man in the pub to the bear. First heard this joke told by Eddie Izzard.
She:No, I'm a dentist
We don't know who he is, but we know his dentist!
Dad: Just chilling homie, what's up with you!
Those little guys don't hurt anybody. They just chill all day.
The frail man asked, his body trembling at every word. "In ten." "Ten what Ten years Ten-" "Nine." "Eight."
Expectorant(/spoiler)