Srimad Bhagavatam Canto 10, Chapter 56, Text 25

SB 10.56.25

krsna-musti-vinispata
 nispistangoru bandhanah
ksina-sattvah svinna-gatras
 tam ahativa vismitah
 
Translation: 
 
His bulging muscles pummeled by the blows of Lord Krsna’s fists, his strength faltering and his limbs perspiring, Jambavan, greatly astonished, finally spoke to the Lord.
Srimad Bhagavatam Canto 10, Chapter 56, Text 24
Srimad Bhagavatam Canto 10, Chapter 56, Text 26