Define Doggy Pile Meaning

A group of people lying on top of each other. Usually played as a game between children (sometimes not...). The aim of the game is to squish the person below you to piss them off.

Involves 3 people all participating in doggy style sex.

While one guy is boning the girl from behind, he is getting pegged in the ass by a guy or girl with a strap on dildo.