Its a swear word only people under 13 can use. It means anything any other swear word would.
"your such a Fliddle docker!" Fliddle docker replaces bitch.
The act of defecating onto someone and them playing in it like a fiddle.
Damn bro she played with my shit like a fliddle
wordFoddle from a wordflist
Woogy, your fliddle smells of chode cheese