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