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 13, 2007
Doing something stupid and/or uneccisary.
Tom: I broke my arm on my trampoline

Louie: Your so dappy!
by Morsli June 5, 2009
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
for someone to be so happy its depressing to everyone around them.
Mollie: Ughhh Tina is sooooo annoying today!

Jen: I know she so dappy i could murder her.
by LoveChan July 30, 2010
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
Dappy is a word, typically used in sentences. It can be used as a noun or proper noun, but only in the case of addressing a person or thing that has been labeled as "dappy".
'Good morning, Dappy!'

'Why did you name me Dappy? What does it even mean?'

'Dappy is a word, typically used in sentences. It can be used as a noun or proper noun, but only in the case of addressing a person or thing that has been labeled as "dappy".'
by Janet Fonda June 1, 2020