People use thing as saying laughing my fucking dump ass off there are also other ways of saying this such as lmao, lmfao and lmdao

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.

laughing my fawking drunk a$$ off.