sleezburger Share definition Flag a sleezburger is a double cheeseburger from McDonalds. the cheapest, tastiest, greasiest snack on the planet. We ordered 12 double sleezburgers in the drive thru. there were only two of us. sleezburger by hitlist3 October 31, 2008 0 0 Get merch Get the sleezburger mug. Buy Now — $32.95 See more merch