Idioms and Phrases with wild about, be
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]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.