Not Quite Our Class Darling.
Used by PSGs and PSBs alike when describing lower class beings, e.g Chavs and such cretins who grace the earth only to irritate posh people.
<PSG 1> Oh Samantha look, that boy has ruined a perfectly respectable jumper by sewing burberry patches on the elbows!
<PSG 2> He is obviously NQOCD.
<PSG 1> Quite.