noun
a medical condition in which acidic stomach contents flow back up into the esophagus, causing symptoms such as heartburn and regurgitation
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Acid reflux is a common medical condition where stomach acid flows back up into the esophagus.
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I can't eat spicy food anymore because it gives me bad acid reflux.
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Man, that hot sauce gave me some wicked acid reflux last night.
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His words were like acid reflux, burning through my defenses and leaving me vulnerable.