spongenugget 

A synonym for the human male penis.

Guy - Dude, I just beat your killstreak.

Other Guy - You're such a spongenugget.

spongenugget by Rushette March 16, 2011

sponge nugget 

a person who does not appreciate randomosity or creativity

if you do not appreciate this word that i made up, you are definitely a sponge nugget.

sponge nugget by Brenna June 17, 2004