CC Antya 6.80

hāsi’ mahāprabhu āra eka grāsa lañā
tāṅra mukhe diyā khāoyāya hāsiyā hāsiyā
Word for word: 
hāsi’ — smiling; mahāprabhu — Śrī Caitanya Mahāprabhu; āra — another; eka grāsa — one morsel; lañā — taking; tāṅra mukhe — in the mouth of Lord Nityānanda Prabhu; diyā — putting; khāoyāya — makes eat; hāsiyā hāsiyā — laughing.
Translation: 
Śrī Caitanya Mahāprabhu, also smiling, took a morsel of food, pushed it into the mouth of Nityānanda and laughed as He made Lord Nityānanda eat it.