cough - exhale abruptly, as when one has a chest cold or congestion; "The smoker coughs all day"

ptyalise, ptyalize, spew, spit, spue - expel or eject (saliva or phlegm or sputum) from the mouth; "The father of the victim spat at the alleged murderer"

spit out, splutter, sputter - spit up in an explosive manner

eject, discharge, release, expel - eliminate (substances) from the body