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1.
a way to say "fuckhead" in polite company
Geeze, why did you do that? You are *such* a diddlehead!
by flippytale January 16, 2004
 
2.
noun. One who epitomizes a horny ball of combustible sexual energy. Known to wiggle and bounce continuously for hours. Travels in packs. Hits big donkeys.
Did you see Archie spaz out in the field? He was a for real Diddlehead.
by Grand Master Slice February 27, 2004
 
3.
an individual who flicks, taps, or otherwise digitally massages the genital area of another or thyself....
I caught my roommate masturbating to pictures of my mom---what a diddlehead....
by biggity big February 26, 2004