When something spews out a substance or when a substance spews from something, the substance flows out quickly in large quantities. The volcano spewed out more scorching volcanic ashes, gases and rocks Leaking oil spewed from the tanker
expel or eject (saliva or phlegm or sputum) from the mouth; "The father of the victim spat at the alleged murderer"
Material that exudes or is extruded As: an oily or gummy exudate (as on the surface of leather) Also spelled spue
eject the contents of the stomach through the mouth; "After drinking too much, the students vomited"; "He purged continuously"; "The patient regurgitated the food we gave him last night"
Trimmings, breakages, unfinished work etc consisting of raw clay which could be wetted for re-use
eject or send out in large quantities, also metaphorical; "the volcano spews out molten rocks every day"; "The editors of the paper spew out hostile articles about the Presidential candidate"