be wild about (someone or something)
To be very excited or enthusiastic about someone or something. Ned is just wild about his new girlfriend. I mean, he's been talking about her nonstop for days. I'm not too wild about that paint color—are there other swatches I can look at?
wild about, be
Be highly excited or enthusiastic about, as in She was just wild about that jazz band. This usage replaced the slightly earlier wild after. [Second half of 1800s]