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12.
A member of N-Dubz. He is cool, exiting and hillariously funny! Very sexy with his dappy hats.

N-Dubz make the best music possible and, if you havent seen them in concert, your missing out!
Simply amazing. Dappy is fit!
by N-Dubz,for,life January 13, 2010
 
1.
Dappy is one third of the group N-Dubz.
N-Dubz are from London.

He wears woollen hats.
Dappy - Na-na-na it's N-Dubz
by JetPie December 12, 2007
 
2.
Used to descripe a girl who is a bit dippy but also a bit mad or eccentric. Friendly mild insult.
Emily: So I locked my housekey in my locker again..
Jas: Your so dappy!
by Last Chancer October 22, 2006
 
3.
dappy is a term usually associated with certain types of girl. sometimes the person in question may be mad, loony, or in my own experience, a complete nutter.
that kirsten is dappy as fuck
by chaz April 15, 2004
 
4.
Doing something stupid and/or uneccisary.
Tom: I broke my arm on my trampoline

Louie: Your so dappy!
by Morsli June 05, 2009
 
5.
A person that acts cool when they aren't or is unnecessarily loud in a public place.
John: you see that guy over there shouting at random people and acting like he's cool?

Steve: yeah, he's such a dappy
by deirdre barlow 69 January 24, 2013
 
6.
a despicable or disgusting person
A: I raped your sister...

B: you Dappy cunt
by jnojones October 12, 2011
 
7.
The splashback from a toilet when you take a shit, especially bad when it hits your asshole.
Damn that turd had some mad dappies.
by Anonymous February 10, 2003