1. A rambunctious occurrance in which all people in a group who are rowdy and socially adept enough to perform it all throw themselves onto the ground in a big laughing pile.
2. A less rambunctious occurance in which one unwilling participant is buried in hundreds of pounds of human flesh.
3. A shout which precipitates either 1. or 2.
1. DOGPILE! - Laughing heap of people ensues. -
2. DOGPILE! - A scream. The rest are laughing. -