A P.A.D is a Post Apocalyptic Dump. Its a monster crap that the toilet didnt see coming. It usually happens when you eat too much food or you mix salsa with milk. Its a dump to end all dumps. Beware of the restroom after someone has taken a P.A.D.
Dude 1: Yo man that bathroom fucking stinks!!
Dude 2: Thats because I just took a P.A.D.!!
Dude 1: (exits bathroom) Damn...i just took the biggest P.A.D.
Dude 2: Siiiickkkk