The object of pleasuring yourself to or with family members with random objects of choice, Such as: Razor Blades, Pot bellied pigs, A Space Heater, Heroin, A 50Lb Block of swiss cheese, A kiddy pool full of olive oil, and Battery Acid.
Duster Fuck can only be used accordingly in two sentences, the following: I would Duster Fuck the Hell out of my sister. And, Would you like to join my Duster Fuck.
Sean: Dude, holy shit! you don't look so fucking good.
Owen: Quick! grab me a bucket, I feel like a Shitbag full of Fuckdust!
Sean: yeah you look like one too.
Owen: Just get me the bucket already cockface