Definitions by GODofTP

superboy prime 

Superboy prime is the superlative of boy prime. Boy prime is someone who enjoys stuffing objects, preferably big black dildos, up their rectum. Essentially Superboy prime means a really big fag.

Yo the biggest Superboy primes are Elton John, Perez Hilton, and rainfall

superboy prime by GODofTP October 2, 2013