The Latin verb masturbari is of uncertain origin. Terms such as playing with yourself, pleasuring oneself and slang such as wanking,  jerking off,  and frigging are common. Self-abuse and self-pollution were common in early modern times and are still found in modern dictionaries. A large variety of other euphemisms and dysphemisms exist which describe masturbation. For a list of terms, see the entry for masturbate in Wiktionary.