When a person is deemed to be dead by the people of Twitter. This usually happens after they have been canceled for doing something wrong.
Person 1: Did you hear JK Rowling is a terf?
Person 2: Yea, I hope she enjoys Twitterdeath.
Person 3: As far as I'm concerned, Daniel Radcliffe wrote the Harry Potter books.
Twitter Tourettes or (Twitter Thumbing) is the urges for over-using of AAVE, popular slang and hand movements that it becomes a "personality" one picked up from Tiktok and especially Twitter- Those phrases that are texted, they tend to act it out in real life and it seems forced.
Girl 1: OMG YES QUEEN, PERIODT POOH *does Debby Ryan hair behind ear movement 9 times* chileee! *points*
Girl 2: ...Girl are you okay?
Girl 1: No and what about it???? *does the face*
Girl 2: oh, You must have Twitter Tourettes, my bad.
The act of following an account on twitter then going to the first recommended follow after that and carrying on until you find something disturbing or you get bored
Person 1 "I went twitter diving yesterday and saw some fucked up shit"
Person 2 "such as"
Person 1 "you don't even wanna know"