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"

by Rex Breakfast April 25, 2016

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.

by bethel100 January 20, 2017

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.

by jimmybomm April 21, 2022