Someone who is so dull;

A person's presence - when they walk in to a room, it feels as if someone has left walked out.

Someone who would not make an impression on a pillow.

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.