classy as fuck is a phrase to be used sarcastically to make fun of others who think they are classy, and refer to themselves as classy indviduals. getting shitfaced is a non-classy action, just because you are getting hammered off of your mothers wine, does not make you classy. One glass of wine at dinner, is somewhat classy.
I'm classy as fuck and im wasted off of this 5 liter boxed wine.
she was looking classy as fuck wearing that great shirt she got on sale from the charlotte russe shiny rack.