A person who is the 3rd generation of that name passed on by parents in a row... He is usually a big guy who wants to join the army, has big hands and is very very strong

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.

It is suppose to pronounced as three-erd
not "third", whoever created this dumbass shit is probably stupid.

IT'S PRONOUNCED "three-erd"