Flip out.
/flɪp aʊt/
Flip out.
/flɪp aʊt/
To "Flip out" means to react very strongly to something, usually with surprise, anger, or excitement. It's a vivid expression that describes losing composure due to overwhelming emotions. This slang is useful for discussing moments when emotions take the upper hand, whether in personal anecdotes or in describing scenes in movies or books.
He's going to flip out when he sees this.
He will react extremely or excessively in surprise or anger when he sees what has happened.
She totally flipped out at the surprise.
Her reaction to the surprise was very extreme or intense.
Don't make sudden changes or he might flip out over it.
Sudden changes might cause him to react very strongly or uncontrollably.