1) Word used in place of general explicit language in order to soften the emotion of the language.
2) A person acting in a silly manor
3) An endearing way to address a friend
4) An omen of good fashion
5) One's genitalia
1) "What the diddley?"
2) "She's quite the diddley."
3) "Diddley, I love you."
4) "May the diddley be with you."
5) *pokes you in the diddley*
by Timmy October 27, 2002
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Ellas MacDaniel, better known as Bo Diddley, was a legendary Rock & Roll singer and guitar player. He lived in a house made of rattlesnake hide, wore cobras as neckties, and made his chimney out of a human skull. He was said to have been the greatest lover in the world, and 500% more man than any other man on earth.

In his spare time he invented Rock & Roll and inspired every great musician from his time till today.
Bo Diddley done had a farm, (Hey Bo Diddley!);
On that farm he had some women (Hey Bo Diddley!),
Women here, women there (Hey Bo Diddley!),
Women, women, women everywhere (Hey Bo Diddley!).
by Tombstone Hand July 16, 2009
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The act of ejalculating into a belly button and placing cereal in the belly button (prefereably Lucky Charms). Now you grab a spoon and make your bitch eat that shit while you chill on your ass and play COD.
Tom: Yo, i was playing COD last night and this biddy knocked on my window so i let her in and we shared a nice Tum Diddley.

Harry: That is radical dude!
by BonesNYY March 28, 2011
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nothing, the absence of certain essentials to whatever what supposed to be going on.
I didn't do jack diddley last night, because I didn't have a car. Or because you didn't call me
by ricky72135 February 19, 2005
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When someone your working with doesn't know anything
Well I thought John knew the area well, but he doesn't know diddley fuck.
by bethel100 January 20, 2017
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Is when a woman has a orgasm and drinks her cum juice
Did she hust drink that diddley juice?
by ~Blaze October 15, 2014
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