Slutdouchery 

The act of fornicating with a slutty female, usually a buddy's ugly mom or girlfriend.

Steve's slutdouchery knows no bounds: did you hear he doucheraped John's mom last night?

Slutdouchery by Man13earPig777 May 7, 2009

scumdouchery 

The act of being a scumbag and / or douchebag. Activities include excesses of drinking, high-fiving, insulting strangers, toolish behavior and other forms of public debauchery.

DB1: "So then I asked her if she wanted to have sex with me and my 10 closest friends"

DB2: (affirmative exclamation) SCUMDOUCHERY!

scumdouchery by Jerk 27 May 5, 2010

Smugdouchery 

The act of being Smug and a Douche at the same time.

Ikea has specially reserved spots in the parking lot specifically for Hybrids, what Smugdouchery

Smugdouchery by Smacky the Frog January 20, 2011