CC Madhya 18.33

govardhana dekhi’ prabhu premāviṣṭa hañā
nācite nācite calilā śloka paḍiyā
Word for word: 
govardhana dekhi’ — seeing Govardhana Hill; prabhu — Śrī Caitanya Mahāprabhu; prema-āviṣṭa hañā — becoming ecstatic in love; nācite nācite — dancing and dancing; calilā — departed; śloka paḍiyā — reciting the following verse.
Translation: 
Just by seeing Govardhana Hill, Śrī Caitanya Mahāprabhu became ecstatic with love of Kṛṣṇa. While dancing and dancing, He recited the following verse.