Valmiki Ramayana Yuddha Kanda Sarga 98 Shloka 26

तदा then, तौ both, पुनःपुनःagain and again, नदन्तौ roaring, अन्योन्यम् one another, जघ्नतुःstriking, अन्योन्यम् one another, तलैः palms, आहत्य slapped, महीतले on the ground, पेततुः च fallen, rolled

Then both of them again and again striking each other slapping with palms fell down and rolled on the ground.