I'm down for that.
I'm down for that.
I'm down for that" is a casual and cool way to express agreement or show enthusiasm about participating in something. It's another way of saying "Yes, I would like to do that," or "I am interested." This expression is particularly prevalent among young, English-speaking crowds, conveying a relaxed agreement.
Yeah, I'm down for that movie.
Yes, I'm in for that movie.
Count me in, I'm down for sushi tonight.
I'm in for sushi tonight.
Whatever you guys decide, just let me know; I'm down for whatever!
Whatever you decide, just let me know; I'm in for whatever!