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
by Someone875875 October 16, 2007
by C C N DJ July 10, 2008
by Richard Garcia January 29, 2003
by Chiefy Jackson November 30, 2017