CC Ādi 3.30

caitanya-siṁhera navadvīpe avatāra
siṁha-grīva, siṁha-vīrya, siṁhera huṅkāra
Word for word: 
caitanya-siṁhera — of the lionlike Lord Caitanya Mahāprabhu; navadvīpe — at Navadvīpa; avatāra — the incarnation; siṁha-grīva — having the neck of a lion; siṁha-vīrya — the strength of a lion; siṁhera huṅkāra — the roar of a lion.
Translation: 
Thus the lionlike Lord Caitanya has appeared in Navadvīpa. He has the shoulders of a lion, the powers of a lion, and the loud voice of a lion.