WordNet (r) 3.0 (2006):

spit out
    v 1: spit up in an explosive manner [syn: splutter, sputter,
         spit out]
    2: utter with anger or contempt [syn: spit, spit out]
    3: discharge (phlegm or sputum) from the lungs and out of the
       mouth [syn: expectorate, cough up, cough out, spit
       up, spit out]