A person who is guilty of committing douchebaggery.
A person who is acting like a pussy/asshole/jerk.
That doucher in the red car just cut me off!!
Look at that doucher over there, with the fake bake tan and lip gloss.
Stop being such a doucher and come out with us tonight!
a guy who is a major douche bag!!!
guy: you see that dude over there? he cheated on his girfriend.
girl: yeah he is a doucher