When someone is wasting oxygen that can be used by another. Those with this characteristic are often useless people who are not useful to society. This characteristic is often found in men.

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.