IT-splain 

When you overexplain something related to technology because you think that you are a "Tech whiz" and that the other person is basically a grandmother trying to get on the internet

Gavin: "So when you want to get on the internet, you click the google chrome icon on the bottom. This will open a new window. In that new window you can access any website like google.com or facebook.com."
Collin: "I know what the internet is. You don't need to IT-splain. It makes me feel inferior.

IT-splain by TheManMan16 January 18, 2023

claim it for spain 

To steal something by falsely declaring that it belongs to you, as the Conquistadors did with the New World.

I'd keep that jewelry out of Carol's sight if I were you, she might try to claim it for Spain.

claim it for spain by ordinaryk June 25, 2018