Valmiki Ramayana Aranya Kanda Sarga 25 Shloka 39
Original Shlokaशरान्धकारमाकाशमावृणोत्सदिवाकरम्। बभूवावस्थितो रामः प्रवमन्निव ताञ्छरान्।।3.25.39।।
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शरान्धकारम् darkness created by the arrows, सदिवाकरम् along with the Sun, आकाशम् sky, आवृणोत् covered, रामः Rama, तान् those, शरान् arrows, प्रवमन्निव as if vomitting, अवस्थितः stationed, भभूव appeared.
Through the darkness created by the arrows that covered the sky and the Sun, Rama looked as though he was vomitting them.