Valmiki Ramayana Aranya Kanda Sarga 2 Shloka 22
Original Shlokaइति ब्रुवति काकुत्स्थे बाष्पशोकपरिप्लुते। अब्रवील्लक्ष्मणः क्रुद्धो रुद्धो नाग इव श्वसन्।।3.2.22।।
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काकुत्स्थे when Rama of the Kakutstha family, इति this way, ब्रुवति while he spoke, लक्ष्मणः Lakshmana, बाष्पशोकपरिप्लुते full of tears of sorrow, क्रुद्धः angry, रुद्धः tied up, नागः इव like a serpent, श्वसन् hissing, अब्रवीत् said.
As Rama was thus full of tears of sorrow, Lakshmana sighed heavily in anger like a hissing serpant in confinement. And said: