yas tv iha vai savarṇāṁ bhāryāṁ dvijo retaḥ pāyayati kāma-mohitas taṁ pāpa-kṛtam amutra retaḥ-kulyāyāṁ pātayitvā retaḥ sampāyayanti.

yah-any person who; tu-but; iha-in this life; vai-indeed; savarnam-of the same caste; bharyam-his wife; dvijah-a person of a higher caste (such as a brahmana, ksatriya or vaisya); retah-the semen; payayati-causes to drink; kama-mohitah-being deluded by lusty desires; tam-him; papa-krtam-performing sin; amutra-in the next life; retah-kulyayam-in a river of semen; patayitva-throwing; retah-semina; sampayayanti-force to drink.