d4 girl:oh my god, did you the oc last night?  d4 girl 2:oh my god, yeah, di you see what summer did to seth, that is totally like arghhhh
a person, male or female, you dosn't really have to live in d4(short for dublin 4, an affulent rich area of dublin) but does follow its culture
"d4 girl:oh my god, did you the oc last night?  d4 girl 2:oh my god, yeah, di you see what summer did to seth, that is totally like arghhhh" What is the definition of "d4"?