Top definition
When someone falls asleep at a bad time, in a bad place, or in an awkward position. This comes from a part in Ozzy Osbourne's autobiography, I am Ozzy, where he falls asleep with his leg on fire.
Dude, did you see that girl who fell asleep upside down on the stairs? Total Ozzy Nap!
by Slim Tottles February 22, 2010
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