St. Bernard Sandwich Share definition Flag When you slobber into a girl's ass cheeks like a St. Bernard dog, then you squeeze her cheeks together. Man, I was trying to give that girl a St. Bernard Sandwich, then she ripped ass in my face. St. Bernard Sandwich by Fuckyeah May 20, 2006 0 0 Get merch Get the St. Bernard Sandwich mug. Buy Now — $32.95 See more merch