Mahabharata 6.87.20
वेगवन्तं महारौद्रं विद्युज्जिह्वं प्रमाथिनम्शरैश्चतुर्भिश्चतुरो निजघान महारथः
vegavantaṃ mahāraudraṃ vidyujjihvaṃ pramāthinamśaraiścaturbhiścaturo nijaghāna mahārathaḥ
Our plain-language meaning of this verse is waiting for scholar review.