An intensifier meaning very or really — the most versatile and ever-present word in River Plate Spanish. You slap it before any adjective to max it out: re beautiful, re crazy, re everything.

Feeling down, discouraged, or emotionally on the floor with zero motivation. It's that existential slump where your spirits are in the basement and not even your favorite food can pull you out of it.

Going at full speed or being bursting with energy and excitement in Argentina and Chile. When someone's going 'a mil,' they don't stop for a second — they're hyperactive and their pace is contagious.

No way, not a chance, absolutely not. The most emphatic and categorical denial in Argentine and Uruguayan Spanish — when someone says 'ni en pedo,' no force on earth will change their mind.