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Verb: spit up
  1. Give reluctantly
    - cough up, pony up [N. Amer]
     
  2. Discharge (phlegm or sputum) from the lungs and out of the mouth
    - expectorate, cough up, cough out, spit out

Derived forms: spat up, spits up, spitting up

See also: spit

Type of: discharge, eject, exhaust, expel, give, release

Encyclopedia: Spit up