Manava Dharmashastra 11.92

11.92

kaṇān vā bhakṣayed abdaṃ piṇyākaṃ vā sakṛn niśi
surāpānāpanuttyarthaṃ vālavāsā jaṭī dhvajī //

Or he may drink cow's urine, water, milk, clarified butter or (liquid) cowdung boiling-hot, until he dies;