doodly

diddly-shit

1. noun, rude slang Nothing; anything at all (when used in negative statements). I have to admit that I know diddly-shit when it comes to computers. Unless you give me something in writing, that promise isn't worth diddly-shit.
2. noun, rude slang Useless. Ugh, this diddly-shit printer has stopped working again, and I have a paper to print!

diddly-squat

Nothing; anything at all (when used in negative statements). I have to admit that I know diddly-squat when it comes to computers. Unless you give me something in writing, that promise isn't worth diddly-squat.

doodly

Nothing; anything at all (when used in negative statements). I have to admit that I know doodly when it comes to computers. Unless you give me something in writing, that promise isn't worth doodly.

doodly-shit

rude slang Nothing, or, when used in negative statements, anything at all. I have to admit that I know doodly-shit when it comes to computers. Unless you give me something in writing, that promise isn't worth doodly-shit.

doodly-squat

Nothing; anything at all (when used in negative statements). I have to admit that I know doodly-squat when it comes to computers. Unless you give me something in writing, that promise isn't worth doodly-squat.
Farlex Dictionary of Idioms.

diddly-shit

and doodly-shit
1. n. anything at all. (Usually in the negative. Usually objectionable.) I don’t give a diddly-shit what you do!
2. mod. virtually worthless; useless. (Usually objectionable.) I’m gonna take this diddly-shit watch back to the store and get my money back.

doodly-shit

verb
See diddly-shit

diddly-squat

and (doodly-)squat (ˈdɪdliskwɑt and ˈdudliskwɑt)
n. nothing. (Folksy. Originally black or southern.) This contract isn’t worth diddly-squat.

doodly-squat

verb
See diddly-squat
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • diddly
  • diddly-squat
  • cling
  • clung
References in periodicals archive
The work of Jessica Rankin--translucent organdy panels embroidered with doodly symbols and snippets of her own poetic text--centers on this point of contact between thinking and doing.
Jessica Rankin: The Project
You don't get doodly squat unless you cross palms with silver even for the most paltry of services.
Tips to make your life more easy; THE Carole Ann Rice COLUMN
"It has a nice doodly quality with all the overlapping lines."
IAN SAYS: "This is too optimistic for me, but it does have a nice doodly quality."
One 2 One; COCKER DOODLED THIS