Mahabharata 8.8.42

पुरा नागस्य पतनादवप्लुत्य स्थितो महीम्भीमसेनो रिपोर्नागं गदया समपोथयत्

purā nāgasya patanādavaplutya sthito mahīmbhīmaseno ripornāgaṃ gadayā samapothayat

Our plain-language meaning of this verse is waiting for scholar review.