To swell or rise above (something, especially the rim of a container, the sides of something hollow, etc.).
To cause (something) to be too swollen or large; to become too swollen or large.
An excessive or sudden increase or flood (of something).
To drink (something) from a container by pouring it from a height so as not to touch one's lips to the rim.
To fall like a waterfall.
Synonym of recycle
A waterfall-like outpouring of liquid, smoke, etc.
A flow of water over the edge of a cliff.
Waterfall model
The action of drinking from a vessel without touching it with the lips, considered more sanitary for a shared vessel.