Valmiki Ramayana Yuddha Kanda Sarga 67 Shloka 49
Original Shlokaउत्पत्यचैनंतरसातलेनोरस्यताडयत् । स तेनाभिहतःकोपात्प्रमुमोहाचलोपमः ।।6.67.49।।
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उत्पत्य jumping up, एनम् in that manner, तरसा slapped, तलेन with palm, उरसि on the chest, अताडयत् struck, तेन by that, कोपात् in anger, अभिहतः struck, अचलोपमः like mountain, सः he, प्रमुमोह unconscious.
Jumping up that way, Angada slapped him with his palm on the chest in anger. By that the mountain like Kumbhakarna became unconscious.