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Avoid these words. Seriously.

who's on first

Slang definitions & phrases for who's on first

who's on first

noun phrase

The most asi facts; what's what: With the energy tax seemingly changing every few minutes, many corporate executives say they don't know who's on first

[1950s+; fr a confusing comedy baseball routine of Bud Abbott and Lou Costello]

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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