The snarky commentary that's embedded with a psychotic twist. Can cause internal and external damage, therefore be careful when receiving one of these lethal remarks.

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.