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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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Oct 29 Word of the Day
When you meet with someone without anyone knowing except you and the person.
by Timbs March 08, 2017
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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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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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