A word used in a sentence to find out how far down the packet of oreos the person has gotten. oreos to check the progress of consumers with oreo packets.

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.