Güey
Mexican slang for dude
A versatile term commonly used in Mexico to refer to a person, typically a man, but can sometimes be gender-neutral. It is similar to 'dude' or 'guy' in English.
¿Qué onda, güey? ¿Cómo estás?
What's up, dude? How are you?
Ese güey siempre llega tarde a todos lados
That guy always arrives late everywhere.
No le hagas caso, güey, no sabe lo que dice.
Don't listen to him, dude, he doesn't know what he's talking about.