A Cosby 

To slip an unknown substance or pill into someone's food or drink

Did he just slip her a cosby in the cafeteria?

A Cosby by Perilop June 20, 2019

a cosby 

The act of taking advantage of an unconscious woman

Also, a drink that is mixed with qualudes and roofies to render one unconscious

Ex1: "she fell asleep so I pulled a Cosby"
Ex2: "I will have a gin and tonic and she will be having a Cosby"

a cosby by Kindredtryst November 8, 2015

Pulling a Cosby 

To slip a drug into a woman's drink and rape her while she's sleeping

I can't get anywhere with my girlfriend, as a last resort I might have to consider Pulling a Cosby to get her in the sack!

Pulling a Cosby by Ace Corona January 21, 2015

drop a cosby

to deficate, take a shit, drop a deuce, etc.

man, i'll be right back, i gotta drop a cosby, bill's callin me!

drop a cosby by dreday February 8, 2004

Getting a Cosby

A women being drugged at an event, party or hotel room, without her knowledge or consent.

Leanne ended up getting a Cosby at the rave, thank goodness, we took her home.

Getting a Cosby by One for the records books. March 29, 2015

pulling a cosby 

Sticking a frozen pudding pop in the vagina of a younger woman you personally drugged, allowing the pudding pop to melt, then eating the melted pudding where ever it may be found.

Hey Lance, Trent called, he can't make it tonight because he is pulling a cosby on his bosses daughter.

pulling a cosby by El Walkerama November 22, 2014

do a Cosby Show 

the act of shitting.

"Hold on," Jimmy said, "I hafta go do a Cosby Show!"

do a Cosby Show by MudVaYne42282 December 20, 2003