1) Noun: A spring characterized by
intermittent discharge of water ejected turbulently and accompanied by a vapour phase (steam). Wikipedia.com
2) Verb: A method used to get drunk fast, while remaining classy: Pour a large amount of hard alcohol into a cup, Grab cup with right hand and your bottle/can/container of chaser with your left. Chug the alcohol in the cup,
immediately pour
the chaser into the cup and chug that. slang