diidly 

diidly often pronounced and spelled like deadly. that is wrong, it is pronounced did - ly , and is used to described something excellent or fun.

wow, my date was diidly.

diidly by browhatarethose August 8, 2018

diidly 

diidly meaning excellent and fun

wow, that water slide looks diidly

diidly by browhatarethose August 8, 2018

Diddly Poo 

Something the New Orleans Saints didn't do offensively.

"We didn't do diddly poo offensively."
- Jim Mora

Diddly Poo by Nougatz January 20, 2009

Didly Hour 

The hour of the night past the witching hour, which begins at 4:00 AM. Most commonly used in Michigan and Chicago to refer to that time of the night when shit gets weird.

"Dude... what the hell was that?"
"I don't know, it's the didly hour, shit gets wierd."

Didly Hour by ItalianStalion231 January 24, 2012

Yee diddly 

A man named Mechanic that says this in the game Roblox Typical Colors 2

Could be used for positive interaction

Annihilator: THAT’S A MACHINE GUN GET DOWN!!!
Mechanic: Yee diddly.

Yee diddly by ThatsCrazyBro September 10, 2021

Now wait just a diddly darn minute 

Euphemism for "wait a minute" or "hold the phone." Typically used when one is experiencing an epiphany or life-altering escapade.

"Now wait just a diddly darn minute," said Vanessa after hearing the news about Harambe's murder.

Now wait just a diddly darn minute by K8theGr8est March 16, 2017

Diddlyhopper 

What a girl has between her legs. Not to be confused with dinglehopper, which is a penis.

Damn, Julia's diddlyhopper is tight as fuck!!

Diddlyhopper by Gigi Coker July 16, 2017