Valmiki Ramayana Ayodhya Kanda Sarga 74 Shloka 35
Original Shlokaइति नाग इवारण्ये तोमराङ्कुशचोदितः। पपात भुवि सङ्कृद्धो निश्श्वसन्निव पन्नगः।।2.74.35।।
1 source checked for this shloka
इति in this way, अरण्ये in the forest, तोमराङ्कुशचोदितः driven by prods and goads (sharp instruments), नागः इव like an elephant, सङ्कृद्धः enraged, पन्नगः इव like a serpent, निःश्वसन् hissing, भुवि on the ground, पपात fell down.
In this way like an elephant driven by prods and goads in the forest, highly enraged Bharata hissing like a serpent dropped down on the ground.