Lightning bitch

Or lightnin' bitch. Irish expression for a woman who is truly impossible, vile, sniping and otherwise waaay beyond disagreeable.

She left him outside the locked door in the rain for four hours because she wanted to clip her nails then screamed at him because on top of the other groceries, which were drenched, he'd forgotten to bring home the custard powder. What a lightning bitch.

Lightning bitch by Fearman February 24, 2008

Bitch-lightning 

(Noun)
When someone instantly reacts to you or your ideas in a negative, unaccepting manner, then instantly realizes what they've done and become human again.

Wow dude, that was some bitch-lightning from your wife, you didn't even say anything!

Bitch-lightning by MageOfSorts January 10, 2021