CC Madhya 17.115

śuniyā prakāśānanda bahuta hāsilā
vipre upahāsa kari’ kahite lāgilā
Word for word: 
śuniyā — hearing; prakāśānanda — Prakāśānanda Sarasvatī; bahuta hāsilā — laughed very much; vipre — at the brāhmaṇa; upahāsa kari’ — jokingly laughing; kahite lāgilā — began to speak.
Translation: 
Prakāśānanda Sarasvatī laughed very much to hear this description. Joking and laughing at the brāhmaṇa, he began to speak as follows.