Mahabharata 6.50.36

सोऽन्तरायुधिनं हत्वा राजपुत्रमरिंदमःगुरुभारसहस्कन्धे नागस्यासिमपातयत्

so'ntarāyudhinaṃ hatvā rājaputramariṃdamaḥgurubhārasahaskandhe nāgasyāsimapātayat

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