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.
"Dude your girlfriend gave me a cosby yesterday"
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.
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!"
Being excluded, ostracised, or otherwise removed from a long standing friendship because of extenuating circumstances, usually involving the opinion of one friend's spouse.
Jim cosbied Joe by sending him an email explaining that his newlywed wife won't let him hang out anymore. Jim can't hang out with Joe ever again.
An African American with a college degree.
"I ain't one of the Cosby's , I aint go to Hillman" Kanye West
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"
Shitting a brick. taking the biggest dump of your life. impressing bill cosby with the size of your deuce.
Dan : you shoulda seen the cosby i just dropped
Ian : Oh yeah? Bill would be proud?
Dan : beyond proud.