Somebody with a bad attitude.

Generally this term is used when the person is being rude towards you and you don't want to piss them off more so by calling them a bitter berry they cant get mad at you because its not an insult... its just funny.

Typical results with turn there frown up-side-down. They may even get the giggles.
You need to ripen up! You're being a bitter berry!
by seattleguesswho September 29, 2009
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