Metiche
Mexican slang for nosy
Used to describe someone who meddles in others' affairs or is overly curious about them.
No seas metiche, eso no es asunto tuyo.
Don't be nosy, that's none of your business.
Siempre hay un metiche que quiere saber todo de todos.
There's always a nosy person who wants to know everything about everyone.
Esa metiche siempre está escuchando conversaciones ajenas.
That nosy person is always listening to other people's conversations.