The straight face test is a human bullshit detector. If a lie is so bogus, that it can not be uttered with a straight face, it does not pass the straight face test.

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.