And let's be honest, when the good times were rolling, no one said diddly squat.
From the guardian.co.uk
Unfortunately having left voicemails and emails with Brian I heard diddly squat.
From the eu.techcrunch.com
Instead, he investigates it over several years and doesn't do diddly until now?
From the forbes.com
Man Utd have a very real chance of winning nothing now, zero, nada, diddly nought.
From the independent.co.uk
Like me, ordered to teach Bengali, science and CDT, about which I knew diddly-squit.
From the guardian.co.uk
Wikipedia pays editors, including those that do translation work, in diddly and squat.
From the en.wikipedia.org
Bit of diddly dee music to follow with some rollicking ceilidh type stuff.
From the guardian.co.uk
He sat there looking at his upside-down book and did diddly for 20 minutes.
From the economist.com
Sure, it is all dolphin-friendly these days, but that means diddly squat.
From the nzherald.co.nz
More examples
Jack: a small worthless amount; "you don't know jack"
Nothing is a concept that describes the absence of anything. Colloquially, the concept is often used to indicate the lack of anything relevant or significant, or to describe a particularly unimportant thing, event, or object. It is contrasted with something and everything. ...
A small amount of no worth; A written representation of a trill sound
Or diddlyshit or diddlysquat n: A small or worthless amount: His advice wasn't worth diddly to me.
The least amount or degree, next to nothing, being of little import or value; sometimes called "diddly-squat" or "doodly-squat", which are euphemistic variants of diddleshit or diddlyshit; see WASTED, ZAP, CANNON FODDER, SNOWBALL, compare SHIT LOAD, DOOLIE. ...