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1. A heap of people formed by them jumping on top of each other, esp. as celebration of a victory etc.
   "There was a dogpile, dancing and plenty of joyful embraces"
    
2. A situation where many people or sources join in critical or abusive comments about something or someone
   "there was a dogpile effect after the disastrous launch"

1. Form a heap of people formed by them jumping on top of each other
   "the Tigers into a frenzy as they dogpiled on the gym floor"
    
2. (as one of a group of people) make critical or abusive comments
   "the assertion was dogpiled by legal analysts as a gross and wild misreading of the Constitution"

Derived forms: dogpiled, dogpiles, dogpiling

Encyclopedia: Dogpile