SB 10.12.20
satyam arka-kararaktam
uttara-hanuvad ghanam
adhara-hanuvad rodhas
tat-praticchayayarunam
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
Thereafter they decided: Dear friends, this is certainly an animal sitting here to swallow us all. Its upper lip resembles a cloud reddened by the sunshine, and its lower lip resembles the reddish shadows of a cloud.