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

dappy by chaz April 15, 2004

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dappy

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.

dappy by rach February 26, 2003

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Dappy

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

Dappy by deirdre barlow 69 January 24, 2013

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Dappy

a despicable or disgusting person

A: I raped your sister...

B: you Dappy cunt

Dappy by jnojones October 12, 2011

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