flip one’s wig
flip (one's) wig
To react to something, good or bad, with strong emotion. I had to talk to Mr. Myers about the botched report today, and boy, did he flip his wig. I figured Aunt June would be excited to hear I'm getting married, but she totally flipped her wig!
flip one’s wig
and flip one’s lid tv. to go crazy; to lose control. I so flipped my lid when I got the news. I nearly flipped my wig when I heard.