sit heavy on the stomach
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sit heavy on the stomach
To cause discomfort or indigestion after swallowing; to not be easily digestible. In older times, one might take a bit of sugar alongside medicine that sat heavy on the stomach. I don't think I'm ready for a hike just yet; that big breakfast is sitting heavy on the stomach.
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
sit (heavy) on the stomach
(of food) take a long time to be digested.Farlex Partner Idioms Dictionary © Farlex 2017