Used by Pirates to mark an accused of guilt or judgment. The making was fear by all because it was sure to come with a death sentence.

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.

The black button is one of many characters that hijacked/hijacks android devices by freezing WhatsApp at touch.
It’s the synonym of fuck to android.