murari-gupta-mukhe suni' rama-guna-grama
lalate likhila tanra 'ramadasa' nama
murari-gupta—of Murari Gupta; mukhe—from the mouth; suni'-hearing; rama—of Lord Ramacandra; guna-grama—glories; lalate—on the forehead; likhila—wrote; tanra—of Murari Gupta; rama-dasa—the eternal servant of Lord Ramacandra; nama—the name.
Murari Gupta was a great devotee of Lord Ramacandra. When Lord Caitanya heard Lord Ramacandra's glories from his mouth, He immediately wrote on his forehead "ramadasa" [the eternal servant of Lord Ramacandra].
Link to this page: https://prabhupadabooks.com/cc/adi/17/69