masturbatory       
adjective uk/ˌmæs.təˈbeɪ.tər.i/ us/ˈmæs.tɚ.bə.tɔːr.i/
 手淫的,自慰的
related to or involving masturbation
  masturbatory fantasies 自慰时的幻想 
 See: masturbate
 - More examples
- Kinsey reported on extramarital, premarital, homosexual and masturbatory sex.
- They made rude, masturbatory hand gestures.
- a masturbatory act