waterfall

ot noun

1. A waterfall-like outpouring of liquid, smoke, etc. A waterfall of mist came from the open freezer.
2. The action of drinking from a vessel without touching it with the lips, considered more sanitary for a shared vessel. Hey man, can I take a waterfall from your bottle?
3. A beard. I found home a dreary place after my long absence; for half the children I had known were now wearing whiskers or waterfalls... (Mark Twain, Roughing It)
4. A flow of water over the edge of a cliff.

fe’l verb

1. To fall like a waterfall.
2. To drink (something) from a container by pouring it from a height so as not to touch one's lips to the rim.