spew
v.v. to throw out something in a messy or unpleasant way. You use this when someone coughs up something gross or when a machine throws out a lot of liquid or smoke.
v. to eject or discharge something in a messy, uncontrolled, or forceful manner. Often used to describe the expulsion of bodily fluids or the emission of industrial waste.
The old car started to spew black smoke.
The factory was fined for spewing toxic fumes into the local river without a permit.
The volcano began to spew molten rock and ash into the atmosphere, forcing the nearby residents to evacuate immediately to avoid being buried under the falling debris.
From Middle English spewen, from Old English spīwan, from Proto-West Germanic spīwan, from Proto-Germanic spīwaną, from Proto-Indo-European *(s)ptyēw- (“to spit, vomit”). Germanic cognates include English spit, West Frisian spije, Dutch spuien, Dutch spuwen, Low German speen, spiien, German speien (“to spew, spit, vomit”), Swedish spy, Danish spy, Faroese spýggja, Gothic 𐍃𐍀𐌴𐌹𐍅𐌰𐌽 (speiwan). Also cognate, through Indo-European, with Latin spuō (“spit”, verb), Ancient Greek πτύω (ptúō, “spit, vomit”), Albanian fyt (“throat”), Armenian թուք (tʻukʻ), Russian плева́ть (plevátʹ), Persian تف (tof), Sanskrit ष्ठीवति (ṣṭhī́vati).