Mahabharata 14.75.19

स पतञ्शुशुभे नागो धनंजयशराहतःविशन्निव महाशैलो महीं वज्रप्रपीडितः

sa patañśuśubhe nāgo dhanaṃjayaśarāhataḥviśanniva mahāśailo mahīṃ vajraprapīḍitaḥ

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