A compound insult, consisting of the insult Douchebag and the word Biter, thus referring to the person being insulted as someone who actually bites a vaginal douche. nuff said.
John: hey, you really suck at everything you do
Francis: SHUT THE FUCK UP YOU DOUCHEBITER!!!
Having sex with as many douche bags as you want, and then dropping their sorry asses, or dick teasin it and NOT having sex with said douche bag...in the month of december.
i cant believe i had sex with that tool...oh well, its douchember