look up any word, like blumpkin:
 
1.
The highest order of douche. Someone who appears just as douchie as they act.
Jason: "I slay mad ass up in o-town, I've been pimpin pimpin since pimpin's been pimpin."

Dose: "Wow rose isn't that freckled face slob a douchelou?"

Rose: "Affirmative."
by UnclePaul905 November 03, 2010
 
2.
To be a constant douche to someone, or someone who is a constant douche. Or be really annoying. Can be used on someone who is being a Major douche. Or super douche
In example

You're being so (re)douchelous!

like (ridiculous)

Man you are being really (re) douchelous today!
by Dr_House June 09, 2011