to be in somebodys business

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.

someones all up in your business, trying to tell you how to do things

An officious intrusion (commonly verbal)

butting in business that doesn't involve u

Utterance, commonly made by someone who intrudes on another in the bathroom