Meaning : Something of little value.
Example :
His promise is not worth a damn.
Not worth one red cent.
Not worth shucks.
Synonyms : damn, hoot, red cent, shit, shucks, tinker's dam, tinker's damn
Darn ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Darn ka matlab kya hota hai?