Diddley fuck 

When someone your working with doesn't know anything

Well I thought John knew the area well, but he doesn't know diddley fuck.

Diddley fuck by bethel100 January 20, 2017

diddley fuck 

To do absolutely nothing of importance for a period of time.

"What have you been up to?"
"Who me? I've been up to sweet diddley fuck"

diddley fuck by Rex Breakfast April 25, 2016

jack diddley fuck

To do nothing. The word fuck at the end makes it worse than just doing jack diddley.

All my coworkers do all day is jack diddley fuck and I always have to clean up after the lazy bastards.

jack diddley fuck by jimmybomm April 21, 2022

diddle fuck 

verb. To fuck around, to get nothing accomplished or take an unreasonably long time to get something done.

When the light turned green, the drivers in front of Mike played diddle fuck, and he was unable to get through before it turned red again.

diddle fuck by dont diddle-fuck in traffic December 30, 2007

diddly-fuck 

A person being without care or emotion for someone or something.

I don't give a diddly-fuck about you or your car.

diddly-fuck by Cuke Lage July 27, 2017

piddly diddly fuck all 

absolutely nothing

"have you done your chemistry home work for cekander?" "Yeah right ive dont piddly diddle fuck all."

piddly diddly fuck all by Mike Press March 22, 2004

Squon diddly darn fuck

Advanced what the fuck to an exponential degree enterchangable with squidly darn fuck

What in the squon diddly darn fuck did you just say

Squon diddly darn fuck by Veldrexin September 22, 2021