Valmiki Ramayana Yuddha Kanda Sarga 67 Shloka 50
Original Shlokaस लब्दसंज्ञोबलवान्मुष्टिमावर्त्यराक्षसः । अपहास्तेनचिक्षेपविसंज्ञः स पपात ह ।।6.67.50।।
1 source checked for this shloka
बलवान् mighty, सः he, राक्षसः Rakshasa, लब्दसंज्ञः regained consciousness, मुष्टिम् fist, आवर्त्य doubling, अपहास्तेन back of his hand, चिक्षेप hit, सः him, विसंज्ञः lost consciousness, पपात ह fell.
The mighty Rakshasa regained his consciousness and, doubling his fist hit Angada with the back of his hand and Angada fell, lost senses.