Definitions by PunkBitch96

Cosby 

(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?

Cosby by PunkBitch96 December 2, 2014