To have Nasty, disgusting, or greasy hair that is a mess and not taken care of. Or a nasty person who does not take care of them selfs.
That's some nappie hair.
That's one nappie bitch.
That's one nappie fro.
by D-Rew Rappen April 19, 2008
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An adorable term for sleeping in the middle of the day. Often used by children under the age of five or those who think, talk and/or act like they are.
Kelly: Is it two in the afternoon already? Oh wow. I'm definitely overdue for a nappie!

Stephen: Did you really just say "nappie"?

Kelly: ...
by AMeteorShower April 23, 2010
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nasty, gross, disgusting. Opposite of cute.
Example 1: After working out Anna was sweaty and looked very nappy.

Example 2: Dang, she looks nappy!!
by jaymmers April 19, 2013
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Nasty, rank, rancid, dirrty, stank, gross, wrong
Those are some nappy feet!
by Anonymous July 31, 2003
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a black persons hair that is not kept up with, or dirty
bitch yo hair is nappy.
by G-G April 9, 2007
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Nappy is a word usually used to me nasty or disgusting
Dude, that fart was so nappy
by uglybuddy6 June 13, 2011
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