Shitgibbon compound of douche + wagon.
douchewagon (plural douchewagons)
- (vulgar, slang, humorous) A rude, obnoxious, or contemptible person.
2002 January 2, Mike Sorrow, “Re: [RSPW RUMBLE] Day 1”, in rec.sport.pro-wrestling[1] (Usenet):Polls don't equate truth. Keep flexing that big muscle in your head, douchewagon.
2007 February 10, kAPTAIN kAOS [username], “Re: so fucker,”, in alt.dbs.echostar.hack[2] (Usenet):Have you ever hit your head (or any other experience that may explain to us why you act like a total douchewagon)?
2007 December 9, Choam Nomsky [username], “TESTING”, in mtl.general[3] (Usenet):Harper is a douchewagon