A group or gathering of doucebags is refered to as a "DoucheSquad" same as a large number of wolves would be known as a "pack" of wolves, a group of a collective of douchebags hanging out is known as a "DoucheSquad".
sarah-"Oh my god, why is there a douchebag convention in our kitchen?"
sarah's freind- " sarah,its called a DoucheSquad! There is a DoucheSquad, in our kitchen.
sarah- Oh my bad! there appears to be a DoucheSquad in our kitchen, and they're really starting to get on my tits!!!!