The entire fucking pokemane chat. This term may also be used on other popular e-girl streamers which are similar to pokemane, in which 30 year old men who live in their moms basement donate 2000 dollars to, in order to get attention from thoust female streamer those type of people are attracted to. If your reading this past 2020, you could find much more information on the word simp on other websites, for example wikipedia.org

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.