Sandy Susan Share definition Flag When you ride a chick at a beach and you get sand in her moist cave making it mushy and uncomfortable, but you keep fucking. I gave Becky a Sandy Susan at the beach, and she was queefing dirt bullets all over my cock. Sandy Susan by Somebody March 29, 2005 0 0 Get merch Get the Sandy Susan mug. Buy Now — $32.95 See more merch