Meaning : A small worthless amount.
Example :
You don't know jack.
Synonyms : diddley, diddly, diddly-squat, diddlyshit, diddlysquat, doodly-squat, jack, shit, squat
Diddly-shit ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Diddly-shit ka matlab kya hota hai?