sit heavy on the stomach

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.
See also: heavy, on, sit, stomach
Farlex Dictionary of Idioms.

sit (heavy) on the stomach

(of food) take a long time to be digested.
See also: on, sit, stomach
Farlex Partner Idioms Dictionary
See also:
  • sit on the stomach
  • alongside
  • alongside of
  • sword swallowing
  • sword-swallowing
  • make (one's) hair curl
  • make somebody's hair curl
  • make someone's hair curl
  • make your hair curl
  • spare (one's) feelings