CC Madhya 7.95

matta-siṁha-prāya prabhu karilā gamana
premāveśe yāya kari’ nāma-saṅkīrtana
Word for word: 
matta-siṁha — a mad lion; prāya — almost like; prabhu — Lord Śrī Caitanya Mahāprabhu; karilā — did; gamana — touring; prema-āveśe — in ecstatic love; yāya — goes; kari’ — performing; nāma-saṅkīrtana — chanting Kṛṣṇa’s name.
Translation: 
Almost like a mad lion, Lord Śrī Caitanya Mahāprabhu went on His tour filled with ecstatic love and performing saṅkīrtana, chanting Kṛṣṇa’s names as follows.