pile on

See also: pile-on

English

Verb

pile on (third-person singular simple present piles on, present participle piling on, simple past and past participle piled on)

1. (transitive, idiomatic) to jump on top of someone or something quickly.

Noun

pile on (plural pile ons)

1. An argument or fight in which one side is greatly advantaged by being more numerous or more closely allied than the other side.