Use it to emphasize a powerful emotional response, often to a specific situation.

Strong Emotion

It's mostly used in casual conversation, not in formal settings.

Colloquial

It doesn't mean someone is actually going insane; it's an expression of frustration.

This meaning can be more serious, reflecting actual concerns about mental health.

Be sensitive to the topic, as it touches on mental stability.

It's often used metaphorically rather than pointing to an actual mental condition.

Use it to express very high levels of joy or enthusiasm.

Commonly used to describe reactions at events like concerts or sports games.

It suggests a very lively, active situation with strong emotional engagement.