
Not a happy bunny
British Origin
This phrase is widely understood in the UK but might confuse people from other regions.

Did you hear about Alice? She's not a happy bunny since the party got cancelled.
Informal Expression
Use it in casual conversation, but avoid in formal writing or professional context.

When the concert was postponed, my brother was not a happy bunny.
Emotional State
It implies a mild, often temporary state of dissatisfaction, not extreme unhappiness.

Jill's not a happy bunny about having to work overtime.
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