shit talking or making shitty comments on youtube or any other social media while assuming a bad german accent - i was schatten-kommenten on 69 video fefe - because i think he is a punk ass bitch.

n. The birth name of somebody who has changed their name. Most commonly attributed to trans people, but can be attributed to any person who has changed their name. (sometimes written as two words: dead name)

v. 1. To call somebody by their deadname.
v. 2. To out somebody's deadname to the public.