RimDawg Share definition Flag where a man or woman inserts a raw hotdog into the opposite sex"s anal cavity, and cleans it out, then eats the hotdog.MUST BE 18 OR OLDER!!! Dude I just gave Ashley a RimDawg! RimDawg by RIM McGee September 10, 2011 0 0 Get merch Get the RimDawg mug. Buy Now — $32.95 See more merch