microplastic

someone who shares an opinion that's so toxic and widespread you wonder how anyone puts up with it

microplastic: "Whenever I hear a story of a woman being abused by her partner, I think she deserved it."
anyone with sense: "STFU you microplastic"

JSA

Jabbering, smug, anti-intellectual.

Could also stand for Jesus Saves Alliance, a group of Christofascists also known as the evangelical church.

Marjorie Taylor Greene is pretty JSA. She thinks climate change and Christian nationalism are good things!

Nuclear

Something that is really good, amazing, crazy (in a good way).
An alternative to fire

"That indoor flower was nuclear"