Arsenal89's definitions
When you take a particularly nasty shit in the bathroom of someone you hardly know, then tell no one, like a true ninja master.
Holy shit dude, I am pretty sure that Rachel's friend whatsherface, ninja deuced us last night. Thats the last time i have her friends over for Mexican food, twat.
by Arsenal89 August 15, 2008
Get the Ninja Deucemug.