1. To sodomise someone (esp. if they are unprepared)
2. To anally rape someone

When you want to fuck a chick, but you have no lubricant, shit in a paper bag and rub it all over your penis for maximum pleasure.

An alternate method of identifying an individual who pleasures others with anal sex, especially if there will be fecal matter involved.

A shitfuck is when your grab a piece of shit and fuck somebodys ass or pussy with it.

the fucker who smells like shit

any person that is at the age of 13 or under and that is walking, riding golf carts, ripsticks, skateboards, four wheelers, and bikes.

A pathetic attempt by people with no language skills to say something using only the words they know. Used by morons who don't know any words other than f*** and s***. There are many synonyms which are much more creative, interesting and precise in meaning:

shitfuck (noun)= retard, idiot, jerk, imbecile, punk, moron, cro-magnon, etc...