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What is the X in X-mas?

zero out

Slang definitions & phrases for zero out

zero cool

adjective phrase

Extremely aware, alert, up-to-date, relaxed, etc; cool

[1980s+; probably fr the concept of absolute zero]


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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