I guess this Guinness ad is supposed to be sexy, seeing as how it involves, well, sex. But instead of some person in ecstasy, we get an eerily rocking naked woman who doubles as beer coaster. She doesn't look like she's screwing; she looks like she's being nudged repeatedly by Guinness drinkers on either side. I haven't confirmed this was created by Guinness; anyone who knows the origins of the commercial is welcome to fill us in. But one thing is for sure: As Peggy on Buzzfeed quipped, "If you can balance a beer on your back, you're having really boring sex."