SSOP Share definition Flag Acronym for "short-stack-of-pancakes", a.k.a. a vertically challenged man. That guy from the club was cute but he was a SSOP. Dude, Erin always attracts the SSOPs. SSOP by EBoogs April 28, 2006 0 0 Get merch Get the SSOP mug. Buy Now — $32.95 See more merch