mahoosit Share definition Flag a penis that is incredibly large but its not exactly a hot thing because it is very mishapen. He may look like he has a big package but its actually one big mahoosit mahoosit by CrazyNunWhoLikesCheese May 24, 2010 0 0 Get merch Get the mahoosit mug. Buy Now — $32.95 See more merch