短语 to flip out 的意思是受到震惊而失控暴怒。

例句

When Kate heard that she hadn't got a place at her first choice of university she really flipped out and started shouting and screaming.

The flight was cancelled and lots of passengers started flipping out at the airline staff.

请注意

The flip side 的意思是“事物的反面”，特别用来指物体或论点的负面。

例句

The Olympics is a great event; on the flip side it's very expensive to host.