drop off the cosby kids at the pool

to have a bowel movement, to take a shit, to take a crap, etc...

"yo i'll be right back i gotta go drop the cosby kids off at the pool"

Drop off the Cosby kids and the pool

A variation of "Drop off the Cosby kids at the pool", whereas dropping off the Cosby kids and the pool means having diarrhea.

*storms for the bathroom* "OUT OF MY WAY!"
"Why? Do you have to drop off the Cosby kids at the pool?"
"Worse. I have to drop off the Cosby kids AND the pool!"
"Uh...okay, then. Good luck with that."

dropping the cosby kids off at the pool

Slang for taking a shit.

If you need me, i'll be dropping the cosby kids off at the pool.

drop the cosby kids off at the pool

A euphemism for taking a dump. Funny

Yo man, where you goin?
Shit! I gotta drop the cosby kids off at the pool!

drop the Cosby kids off at the pool

verb.
The act of pooping.

"I gotta go drop the Cosby kids off at the pool"

Drop off the Cosby kids at the pool

the act of crapping

Dude, where's the bathroom. After that pizza and those 40 ouncers I've got to drop off the Cosby kids at the pool.