To deep dive into someone's internet history for the express purpose of finding material to support a narrative that the person is unacceptable and should be cancelled.
Person 1: I found deleted tweets from 10 years ago showing that Jimmy is totally a closet nazi. I don't think we should talk to him anymore.
Person 2: Dude helldumping is so 2017.
Person 2: Dude helldumping is so 2017.
by Zahmekoses October 06, 2020