flip (one's) lid

flip (one's) lid

1. To react to something with strong emotion. The reaction can be to something positive or negative. I had to talk to Mr. Myers about the botched report today, and boy, did he flip his lid. I knew Aunt June would be excited to hear I'm getting married, but she totally flipped her lid!
2. To go insane. Used humorously. Everyone thought I'd flipped my lid when I quit my lucrative marketing job and moved to India.
See also: flip, lid
Farlex Dictionary of Idioms.

flip one's lid

Also, flip one's wig; flip out. React very strongly or wildly, as with anger, surprise, or excitement; also, go crazy. For example, I'm going to flip my lid if he doesn't show up, or She really flipped out when she realized that she had won first prize, or I think Rob has flipped his wig. These slangy expressions, with their allusion to losing the top of one's head, date from the 1930s and 1940s.
See also: flip, lid
The American Heritage® Dictionary of Idioms by Christine Ammer.

flip your lid

INFORMAL
If someone flips their lid, they become extremely angry or upset or go mad. Rosa flipped her lid and the confrontation with Sandra turned into a furious fight. She said, `Mom, I think you've flipped your lid.'
See also: flip, lid
Collins COBUILD Idioms Dictionary, 3rd ed.

flip your lid

suddenly go mad or lose your self-control. informal
A chiefly US variant of this phrase is flip your wig .
See also: flip, lid
Farlex Partner Idioms Dictionary

flip your ˈlid

(American English also flip your ˈwig) (informal)
1 become very angry: When he saw the damage to his car, he flipped his lid.
2 go mad; become mentally ill: After the divorce, she just flipped her lid. She was in hospital for months.
See also: flip, lid
Farlex Partner Idioms Dictionary

flip one’s lid

verb
See flip one’s wig
See also: flip, lid
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions

flip (one's) lid

Slang
1. To react strongly, as with anger or enthusiasm.
2. To go crazy.
See also: flip, lid
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • all for the best
  • a/the feel of (something)
  • (I) wouldn't (do something) if I were you
  • a straw will show which way the wind blows
  • a ghost at the feast
  • a crack at (someone or something)
  • all right
  • (you) wanna make something of it?
  • a thing of the past
  • a slew of (something)