Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 17
Sanskrit:
धराधरोष्ठो जलदोत्तरोष्ठोदर्याननान्तो गिरिशृङ्गदंष्ट्र: ।ध्वान्तान्तरास्यो वितताध्वजिह्व:परुषानिलश्वासदवेक्षणोष्ण: ॥ १७ ॥
ITRANS:
dharādharoṣṭho jaladottaroṣṭhodary-ānanānto giri-śṛṅga-daṁṣṭraḥdhvāntāntar-āsyo vitatādhva-jihvaḥparuṣānila-śvāsa-davekṣaṇoṣṇaḥ
Translation:
His lower lip rested on the surface of the earth, and his upper lip was touching the clouds in the sky. The borders of his mouth resembled the sides of a big cave in a mountain, and the middle of his mouth was as dark as possible. His tongue resembled a broad traffic-way, his breath was like a warm wind, and his eyes blazed like fire.