Prosty the snowman Share definition Flag The most famous prostitute in the city. Just like Frosty The Snowman everybody loves them. Dayum dude I bought Sally off the corner last night and I think SHE is "Prosty the snowman" of L.A. Prosty the snowman by onformashun December 22, 2010 0 0 Get merch Get the Prosty the snowman mug. Buy Now — $32.95 See more merch