Foaming Larry Share definition Flag When you pop an alka-seltzer and give a guy a blowjob. When you start foaming at the mouth he will think you have rabies I was getting head from a rabid raccoon and it gave me the Foaming Larry! Foaming Larry by jacksonaltec September 13, 2016 0 0 Get merch Get the Foaming Larry mug. Buy Now — $32.95 See more merch