Douche Strap
A chin strap, but douchier.
Justin Timberlake and Andy Samberg are totally rockin' the douche strap in that "Motherlover" video.
Douche bag strap
A douche bag strap is when a tool/guy that has a chin strap of hair.
A douche bag strap is a "U" shaped beard.. on a douche bag.