Definitions by Dave the Nave

Buttsex Marinara 

When two sexual partners are acting in anal sex when upon ejaculation of the "pitcher" the "catcher" has explosive diarrhea and the semen and diarrhea are mixed making a lighter color resembling a steak marinara.

Those gay kids created a nice batch of Buttsex Marinara with their intercourse last night.

Buttsex Marinara by Dave the Nave January 11, 2010