Ramayana
तथा भुक्त्वा यथाकामं मांसं बहु सुपीवरम् । अवतीर्य सरः स्वर्गी संस्प्रष्टुमुपचक्रमे ॥ 7-77-16 ॥
Having thus eaten his fill of that abundant and very fatty flesh, the dweller of heaven went down into the lake and began to bathe.
english translation