Oral Derwin Share definition Flag Receiving oral sex in a rental vehicle and blowing your load all over the upholstery. "Dude, don't sit there. That car's been Oral Derwined." Oral Derwin by Beef Weezle April 22, 2005 0 0 Get merch Get the Oral Derwin mug. Buy Now — $32.95 See more merch