Idiom: To be wild about
Meaning: To have a strong, almost uncontrollable, liking to someone or something.
Context #1 – Someone has fallen in love.
Matt: Leslie, I have something to confess.
Leslie: Okay, what is it?
Matt: Well, we’ve been spending a lot of time together these days, and well, what I’m trying to say is I’m kind of wild about you.
Leslie: Oh Matt, I feel exactly the same way. I can’t stop thinking about you all the time.
Matt: Really? I’m so happy to hear that because I feel that way too. I really like you and just want to spend all my time with you.
Context #2 – Talking about baseball between friends.
Don: I love baseball season. There’s nothing better than a good ballgame.
Summer: I know. Every year you say the same thing. Why are you so wild about baseball?
Don: Everyone I know likes baseball. I’ve been watching and playing baseball since I can remember. The games, the players, the food, the atmosphere can make your entire day fantastic. I’m more than wild about it, baseball is life.
Summer: I guess I can’t argue with that. Besides, baseball has become popular in many countries now.
Meaning: The idiom “wild about” means to like something very much. Being wild about something means you can like something to an extreme, for a brief or extended time.