Definitions
1.nounA jet or current of water or vapour directed upon some part of the body to benefit it medicinally; in particular, such a jet directed at the vagina for vaginal irrigation.
2.nounSomething that produces the jet or current in the previous sense, such as a syringe.
3.nounA jet or spray of any liquid.
4.verbTo administer a douche to; to shower; to douse
5.verbTo use a douche.
6.nounA jerk or asshole; a mean or rude person; someone seen as being arrogant, snobby or obnoxious."It's fine to help your friends eat healthy, but don't be a douchebag and harass them about it."
7.nounA sterile container which holds the fluid used for giving a vaginal douche.
8.nounAny social misfit; a doofus, dork, or nerd."That pocket protector makes you look like a douchebag."