After a chick has given you a blowjob, you fart in her face while she's trying to swallow your jizz, causing her to gag/puke/ect. Named as such because Ana Faris seems like the only chick you could do this to, and she might be cool enough to hang out with you for the rest of the night.

when you're hungover as shit after a spending a night drunk as a skunk