Jinkeys is a word to describe shock or amazement, it came from the show Scooby-Doo, in the show Velma would say something like this;

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.

The gay little phrase that the chick from Scooby Doo says.

when you have a lot of keys and they jingle

When you have a lot of keys and they jingle it is called jinkeys