Top Definition
A game played at any party where the goal is to destroy the home without the people of the home knowing, usually followed up with yelling not my house after you break something.
guy 1: "dude this rage is lame wanna play not my house?"

guy 2: " im two step ahead of you, i put cat litter in the back of thier toilet."

guy 3: "dude me too, i pissed in their box of cheerios."
by turbo wurbo April 03, 2010
1 more definition
A game you can play at a party at someone else's where following every thing bellonging to that person you say "Not in my house."
1. "SMASH...'Not My House!"
2. The other day there was a kickback at sarah's house so I played a little game of Not In My House
by The 4th Horseman July 15, 2008

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