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1.
Street-Lingo for Napoleon Dynamite. Also said by 10 year old nerds who crack up anytime someone says the word idiot.
Person with street cred: yo bitch, nappy-d is da bomb! If you can't dig it, you're an idiot!

10 yr-old nerd: d00d leik you said idiot! omglol!!1
by deldelda March 17, 2005
 
2.
1. What Napoleon Dynamites closest friends call him (i.e. US)

2. The Greatest Accapella Band that EVER LIVED-Sulphur Louisiana
"Hey Nappy D, do you think you could pull me into town?"

"Nappy D WAILS, SWEET!"
by jennifer and jessica March 06, 2005