What is the meaning of spew?

verb

• Expel or eject (saliva or phlegm or sputum) from the mouth.
  • usage: "The father of the victim spat at the alleged murderer"
  • synonyms: spit, ptyalize, ptyalise, spue
• Eject or send out in large quantities, also metaphorical.
  • usage: "the volcano spews out molten rocks every day"; "The editors of the paper spew out hostile articles about the Presidential candidate"
  • synonyms: spew out, eruct
• Eject the contents of the stomach through the mouth.
  • usage: "After drinking too much, the students vomited"; "He purged continuously"; "The patient regurgitated the food we gave him last night"
  • synonyms: vomit, vomit up, purge, cast, sick, cat, be sick, disgorge, regorge, retch, puke, barf, spue, chuck, upchuck, honk, regurgitate, throw up