Geyser

n.

1.

A boiling spring which throws forth at frequent intervals jets of water, mud, etc., driven up by the expansive power of steam.

Noun	1.	geyser - a spring that discharges hot water and steam
Verb	1.	geyser - to overflow like a geyser

Old Faithful, boiling water, flush, font, fount, fountain, gush, hot spring, hot water, jet, rush, spew, spit, spout, spouter, spray, spritz, spurt, spurtle, squirt, steam, thermae, vapor