Rah

A word usually used by posh wankers (uni girls) in order to express displeasure or exclamation.

Minty: 'Rah Mandy my chong totes ran out last night and like I can't even buy a new one because I can't use daddy's card'

Mandy: 'Minty you bought that chong two days ago you like definitely have a problem'

Minty: 'Shut up...'