1 general:: Phrase(s): wild about someone or something very excited about someone or something. • I’m just wild about comedies. • John is wild about antique cars.
McGrawhill's American Idioms And Phrasal Verbs
2 general:: 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]
American Heritage Idioms