(Verb) The ancient art of drugging a potential partner, violating them, and then performing the impressive feat of eluding all suspicion until they violate one person too many.
Dave: I did Brenda, Jenny, and Sandra while they were asleep.
Tom: You Cosby'd them, didn't you?
by PunkBitch96 December 3, 2014
Get the Cosby mug.
A drug used to sedate women, or to make them incoherent to prevent unwanted sexual acts.
1)You gave that poor girl a Cosby didn't you?
1A) Yup, and she was out like a light.
by UnknownIgnorance December 2, 2014
Get the Cosby mug.
A multi colored sweater.

Stemming from the days of the Cosby show, in which the main character, Heathcliff Huxtable, played by Bill Cosby, constantly wears bright, multi colored sweaters.
Tom came into the office wearing a colorful sweater.

Mohan exclaimed "Damn Tom, nice Cosby!"
by Chips August 11, 2004
Get the Cosby mug.
A sexual senario, its background pertaining to the fact that the african american comedian Bill Cosby used to advertise jello. "A Cosby" is where a girl sucks a man's dick, with jello in her mouth as well.
by BloodMatrix February 21, 2005
Get the Cosby mug.
The act of slipping something into an unsuspecting woman's drink and then proceed to fuck her silly.
Dat bitch Felicia just got cosby'd
I hate her so much that I'm going to Cosby her at the party tonight.
by Djjglitz December 5, 2014
Get the Cosby mug.
Used online in the Blizzard game "Starcraft" when a nuke is used to kill mass units.
{after nuking 30 zerg units} "Holy shit, that was a cosby!"
by Murdock November 25, 2004
Get the Cosby mug.
The sexual act of 1 partner smoking a cigar and wearing brightly colored sweater, spreading chocolate pudding all over the body of the other partner while saying "You can NEVER have enough Puddinggg"
"I told her chocolate snack packs and she came home with tapioca. Now how am I supposed to Cosby her"
by Not John Warring November 19, 2012
Get the Cosby mug.