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To miss out on something because one doesn't realize it's full potential, usually used with the word 'on.'
Some artists aren't as well known as others, so people stay sleepin' on their music when it be really good yo.
by DarkNova December 18, 2001
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Sep 6 Word of the Day
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Damn that was a steezy ass kickflip son!
by niggaliciouszor April 29, 2007
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2
Sleeping past 11:30am, at least.
Yesterday i decided to sleep in, I got up at 2pm.
by Someone875875 October 16, 2007
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3
Being knocked unconscious during a physical altercation.
Bob: Steve was sleepin' after the fight!

John: Whoa, he hot knocked out?
by Chiefy Jackson November 30, 2017
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