Sourness jolts tongue awake.

Meaning: This sentence describes the stimulating sensation of tasting something sour, where the sour taste suddenly activates and awakens the taste buds on the tongue, creating a jolting effect.

Choice of Words: Sourness refers to a sharp, acidic taste often associated with citrus fruits or vinegar. Jolt means to shake or disturb suddenly. Tongue is the muscular organ in the mouth that helps with tasting, swallowing, and speaking. Awake means not asleep.

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