Valmiki Ramayana Ayodhya Kanda Sarga 36 Shloka 19

दुर्मतिः wickedminded, असमञ्जः तु as for Asamanjasa, पथि on the street, क्रीडतः playing, बालकान् children, गृहीत्वा seizing, सरय्वा: Sarayu's, अप्सु in waters, प्रक्षिपन् while hurling, तेन with that, रमते amused.

That wickedminded Asamanjasa used to seize the children playing on the street and amuse himself by hurling them in the waters of river Sarayu.