Beast of a Son Share definition Flag A reciprocal of the same popular euphemism Son of a Beast that denotes the same meaning as its root phrase. "Son of a Beast, Beast of a Son. Seast of a Bun, Bun of a Seast." Beast of a Son by Aazhmandius March 20, 2003 0 0 Get merch Get the Beast of a Son mug. Buy Now — $32.95 See more merch