When in the course of a conversation one party communicates his or her total understanding of the particular topic or situation. This is often followed by some sort of action by that person that establishes an agreement and/or commitment to complete or follow through with a transaction in the very near future.

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.

1 emphasizes in its original meaning with a sense of understanding.
2 I got the point of your conversation.
3 no need to say any more.

Old Ghetto slang white People have adopted from blacks in order to fit in, typically means ok there’s no need to finish this conversation. Whites that use this term aren’t intended to be taking seriously