Any accessory a douche wears or a tattoo on a douche that signifies the status of douche-hood. Flashy douche bling, flashy trash in or on their cars, doucheboy tatts all qualify as douche-tags.
Could that douche be any more douche-y? He was floating every douche-tag known to douchery!
N. A hash-tag in a facebook message, status, comment, etc.
Verb form: Douche-taggin' it up
Hash-tagging was meant for twitter and twitter only.
Attention seeking girl's status:
"This week sucked. #Backstabbers #Doesanyonelikeme #Pleaselikethisstatus #Truthis"
Smart person's comment:
"Way to douche-tag"