Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 6
Sanskrit:
स चुक्रोशाहिना ग्रस्त: कृष्ण कृष्ण महानयम् ।सर्पो मां ग्रसते तात प्रपन्नं परिमोचय ॥ ६ ॥
ITRANS:
sa cukrośāhinā grastaḥkṛṣṇa kṛṣṇa mahān ayamsarpo māṁ grasate tātaprapannaṁ parimocaya
Translation:
In the clutches of the snake, Nanda Mahārāja cried out, “Kṛṣṇa, Kṛṣṇa, my dear boy! This huge serpent is swallowing me! Please save me, who am surrendered to You!”