The use of they/them pronouns for a transgender person who does not use they/them pronouns, usually by someone who is either subtly transphobic, ignorant on trans people, or afraid of getting transphobes upset.
I'm glad that guy called her out for her behavior, but he was totally using the coward's they on her.
This term is used when one is trying to exaggerate and talk about how someone socializes or communicates with a large group of people.
Person 1: I am not a social person.
Person 2: Oh really! Just last week you was telling everybody and they mom's about the shit that you were going through.
Massively popular phrase used all the time in England to describe that exhilerating moment just before a big event like a victory or a total fuck-up. Comes from the famous commentary in the closing moments of the 1966 World Cup Final - "Some people are on the pitch ... they think it's all over (Geoff Hurst scores to put England two goals ahead)... IT IS NOW!". England beat West Germany 4-2 after extra time to become world champions. Too bad we can't do the business on the pitch these days...
"Look over there - Dave's breaking up with Donna. They Think It's All Over...it is now".