Meaning : Deeply involved.
Example :
Neck-deep in work.
Up to their necks in debt.
Synonyms : neck-deep, up to her neck, up to his neck, up to my neck, up to their necks, up to your neck
Up to our necks ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Up to our necks ka matlab kya hota hai?