2.A name given to someone who's name begins with the letter 'D' and are a chav.
Daniel: Erm thanks.
Callum: Oh my god it's a dav!
Ben And Callum: HHEYEYYYYYYY DDAAAAAVVV
Gareth: er wut.
"But he leant me the new Muse album..."
"Really? He's such a Dav."