When a dog or human has to shit on a paved road because they could not make it to an appropriate location in time.
I was so embarassed today while walking with Ms. Foo Foo Bottom, she had an ass fault and started crapping in the middle of the street in front of all the people sipping their Latte on the outside patio of the coffee shop.
by Lowrider Corgi November 30, 2015
1. like a foot fault in bowling this kind of fault is because of your ass and this isn't crossing the line of where you cant step this is crossing the line of how the air should smell
by Kleets McCool July 30, 2011
a violation of etiquette that occurs when the posterior of the person seated next to you (typically on an airplane flight) crosses over into your assigned seat, impinging upon your territory, privacy, and comfort.
"The obese man got the last seat on the plane next to me, and he committed an ass fault when his butt spilled over into my seat."
by FactCheckGirl April 07, 2010