RhymeZone: douchebag definitions

Definitions of douchebag:

noun: (US, slang, vulgar) A jerk or asshole; a mean or rude person; someone seen as being arrogant, snobby or obnoxious.
noun: A sterile container which holds the fluid used for giving a vaginal douche.
noun: (US, slang) Any social misfit; a doofus, dork, or nerd.

(Definitions from Wiktionary)