Cosby Kid Trampoline 

Sealing a toilet bowl underneath the seat with a sheet of Saran Wrap, causing the defecator's shit to bounce back in.

Billy sabotaged the work shitter with a Cosby Kid Trampoline and I got shit all over my taint.

Cosby Kid Trampoline by Choadblower January 15, 2006

Cosby kid dodgeball 

Another name for anal sex...

If I only knew what I was getting into when she asked me to play Cosby kid dodgeball...

Cosby kid dodgeball by BIG COOPER June 16, 2016

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 at the pool by no April 1, 2003

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."

Drop off the Cosby kids and the pool by NotCaptainSlow December 17, 2012

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.

dropping the cosby kids off at the pool by Pr0ph3t April 4, 2003

Cosby kids 

Or simply The Cosbys, used as a euphemism for shit. Often in conjunction with a similar euphemism for toilet - the pool

I'll be back in a bit, gotta drop the Cosby kids off at the pool.

Cosby kids by grasshoppers January 20, 2003

Dropping the Cosby kids off at the cosmic pool 

To take a dump.

my bad, I was dropping the Cosby kids off at the cosmic pool.

Dropping the Cosby kids off at the cosmic pool by One eyed midget March 10, 2011