Valmiki Ramayana Yuddha Kanda Sarga 82 Shloka 9
Original Shlokaस तुकोपेनचाविष्टःशोकेन च महाकपिः । हनूमान्रावणिरथेमहतींपातयच्छिलाम् ।।6.82.9।।
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महता great, शोकेन sorrow, कोपेन च angry, अविष्टः overtaken, महाकपिः greatVanara, सःहनुमान् that Hanuman, रावणिरथे on the chariot of the son of Ravana, महतीम् huge, शिलाम् rock, पातयत् hurled
Hanuman, overtaken by anger, filled with great sorrow hurled a huge rock at the chariot of Ravana's son.