Valmiki Ramayana Yuddha Kanda Sarga 67 Shloka 121

सर्वाणि all, आयुधानि weapons, भूतले on ground, विप्राकीर्यन्त scattered, महाबलः mighty, सः he, यदा in that, आत्मानम् himself, निरायुधम् deprived of weapons, मेने thought, मुष्टिभ्यां च with fists, चरणाभ्यां च and feet, महत् great, कदनम् senses, चकार created havoc.

All his weapons scattered on the ground, the mighty Kumbhakarna deprived of weapons thought for himself and created havoc with his feet and fists.