flip one's lid
1. Терять самообладание.
When that pushy salesman came back Mom really flipped her lid.
Compare: BLOW A FUSE.
2. Терять рассудок; становиться невменяемым.
When he offered me three times the pay I was getting, I thought he had flipped his lid.
3. Становиться чрезмерно восторженным.
She flipped her lid over a hat she saw in the store window.
He's flipped his lid over that new actress.