"the nose," 1861, originally a Scottish variant of snout. The adj. snooty is first recorded 1919, probably an alteration of snouty (1858), the notion being of looking down one's nose. Snootful "as much (liquor) as one can take" is attested from 1918.
n. the nose. : That's one fine zit you got on your snoot.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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Example sentences
And they don't fight each other when they have a snoot full, he says.