diddlefoddler Share definition Flag Diddlefoddler- a word used to define someone who is perverted or a sex offender Franco!!! Why the hell would you try to "diddle her fiddle"?? Your such a diddlefoddler diddlefoddler by Weirdo123789 November 24, 2014 0 0 Get merch Get the diddlefoddler mug. Buy Now — $32.95 See more merch