A loud obnoxiously colored article of clothing worn by a man who will preach to you about family values while he fathers children with women who aren't his wife.
I saw this guy wearing a cosby sweater back in 84, he was stealing the hubcaps off of a school bus.
The sexual act of vomiting fruity pebbles onto your lover's genitalia and then pleasuring him/her. The result should look like one of Bill Cosby's wardrobe nightmares from his hit '80s TV show.
The type of sweater that everybody idolizes you for wearing, often worn in the days of "the cosby show" by suave debonair Bill Cosby. Usually described with such words as Frizzle Frazzle.
While Bill was lecturing at the Jell-o pudding pops symposium in Munich, he kept getting heckled by a particularly aggressive Cosbysweater in the audience