Mahabharata 7.108.32

प्रहसन्तौ तथान्योन्यं भर्त्सयन्तौ मुहुर्मुहुःशङ्खशब्दं च कुर्वाणौ युयुधाते परस्परम्

prahasantau tathānyonyaṃ bhartsayantau muhurmuhuḥśaṅkhaśabdaṃ ca kurvāṇau yuyudhāte parasparam

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