A phrase used to describe the awkward moment which ensues after someone you know to be a douche bag says or does something to embarrass themselves. Works best when said in a sort of melody with the "douche" staccato and the "chill" legato.
Girl 1: Sarah's been absent from school a lot lately.
Girl 2: I know! She's absent like ten days a week!
Girl 1: Douche chill...