Matsyapurana 136.63

136.63

rathacaraṇakaro 'tha mahāmṛdhe vṛṣabhavapurvṛṣabhendrapūjitaḥ
dititanayabalaṃ vimardya sarvaṃ tripurapuraṃ praviveśa keśavaḥ //

Lord Viṣṇu, the holder of the disc and revered by Śiva trampled over the demons and entered the Tripura in the form of a bull and destroying the lotus beds, drank up all the nectar of the well to the bottom and emptied it as the Sun drives away the darkness After drinking this, Lord Viṣṇu bellowed and came again before Śiva—63 65