Biscuit smile

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A "biscuit grin" is a term that may be used to describe the cheerful expression one gets when eating a delicious biscuit. The warmth and satisfaction derived from savoring this sweet treat can bring about an infectious, ear-to-ear grin. This phrase can also be used figuratively to depict someone who is always smiling or in good spirits, much like how they might react after biting into a delightful biscuit.