headband, bandeau; parted hair; bandage; blindfold; a tight headband worn for a long time, usually from youth, for the ancient folk custom of cranial deformation
banner (in political demonstration); banderole (in the sense of "streamer, little banner, little flag"); streamer (as a decoration); banderole (flat band with an inscription)
Used to designate someone who idolizes and overprizes something or someone without perspective, sometimes until obsession. Akin to the slang dickeating in english.