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6.
a despicable or disgusting person
A: I raped your sister...

B: you Dappy cunt
by jnojones October 12, 2011
 
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
 
7.
mad, dippy, stupid, silly, eccentric not right in the head or mental. Can be either positive or negative.
1. That girl is so dappy, I tell you. But ya gotta love her She's got a lot of nerve 2 go out wiv a black bloke round ere!(good)

2. That girl is so dappy. She will never see any sense, what a totally unsuitable guy to go out with. She will pay the price for her dappiness.
by rach February 26, 2003