To masturbate by inserting one's fist into one's own orifice or orifices. Artificial or disembodied fists may also be used. The word is a hybrid of "Fisting", "Masturbating" and "Sophisticated", and as such could be considered a sophisticated form of self-fisting.
"I wouldn't go in there Gavin, Tylah is Fisturbating."
Bryce: "Dan, if you don't sort that shit out my fist will be up your ass"
Dan: "I can fisturbate MYSELF!"
The act of facebook raping yourself, to make it seem like you have friends who play tricks on you, but you don't really.
P - Hey look at Joe Bloggs' status, it says "Joe is really gay", he's definitely just been fraped!
M - Nah, Joe Bloggs doesn't have any friends, he's definitely just facesturbating.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.