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Definition of pile-on noun from the Oxford Advanced Learner's Dictionary

pile-on

noun
 
/ˈpaɪl ɒn/
 
/ˈpaɪl ɑːn/
(informal)
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  1. an occasion when somebody is criticized by a lot of people, especially on social media
    • He was left upset and fearful by the online pile-on.
    Topics Phones, email and the internetc2
trait
noun
 
 
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