1.The act of wiping poop off of your poop dick in someone's armpit. The subsequent sight and smell may induce vomiting.

2. When a young girl who wears diapers gets crap in her infantile vagina. The mess can be described as a Shit Pit.

Shit Pit - Toilet. Also known as 'the wooden shit pit'.
Origin - medievil castle's toilets were often a large wooden board, that spans a pit. The pit was usually drained into a nearby brook or stream.

1) A toilet, or place used as a toilet. Derived from army camps where pits were used to shit in.

2) Derogatory term to describe a place, bar, club, pub or anywhere that has unsanitary conditions or just shit music/drinks/women etc.