masturbation

باللغة العربية: عَادَة سِرِّيَّة، اِسْتِمْنَاء

1. Sexual stimulation of one's genitalia or other erotic regions, often to the point of orgasm. (uncountable)
2. The stimulation of another person's genitals using the hands. (uncountable)
3. A vain activity that serves only to provide self-indulgent satisfaction without any practical or external value. (figuratively, uncountable) · That experimental film was nothing more than intellectual masturbation for the director.

الجمع masturbations