The act of getting your partner intoxicatedto the point where he or she no longer has his or her good senses and is more likely to agree to things that he or she would typically oppose to in a sober mind.
I didn't really want to do anal last night, but then that nigga gave me like four glasses of moscato. Three shots of Patron, two Bud Light Limearitas, and a blunt later and I was tootin' it up! That nigga Bill Cosbeyed me .
When someone refers to "Bill Cozbying" someone, it means doing them in the ass and then having them suck you off. In other words, it's ass to mouth. Defined most notably by the song "Bill Cozby" by One Cool Guy.