Skip to main content
A colloquial term, originating from the NSW Central Coast of Australia, referring to the male reproductive organ when in its flaccid, non-erect form.
Please don't flick my diddy.

That old pedo touched my diddy.

Ouch, you hurt my diddy.
Diddy by JayVeeDawg July 30, 2011
1. to not keep your word.. a nicer way to say lying..
girl-"yea imma come thru!"
guy- "you said that last night"..."stop the diddy!"
diddy by j. lo May 25, 2003
a fully nice person with a large penis to rape children with
he is such a diddy
diddy by anal poo bum wee wee August 17, 2014
slang for any type of usable thing
The boy referred to his guitar as a diddy
diddy by Daniel October 9, 2003
A small gathering or "get together" of close friends. A celebration (if you will) filled with merrymaking and idle chatter.
Kristin, please come to my diddy this evening dressed in denim and carrying a reptilian flask.
Diddy by Serena Leahy December 11, 2008