Bad Mr. Frosty Share definition Flag A 'Bad Mr. Frosty' is when a male ejaculates into a snowball and hits someone in the face with it. "Did you hear that Randy have his girlfriend a Bad Mr. Frosty?" Bad Mr. Frosty by BMFrosty December 19, 2016 0 0 Get merch Get the Bad Mr. Frosty mug. Buy Now — $32.95 See more merch