Sentence:  This ever-ready willingness not only to be raped but to like it too, is of course the wet-dream ideal of womanhood — that is to say, of all other women but one's own — remarked upon bitterly in Ruth Hersch- berger's Adam's Rib (1948) chap. 3, "Is Rape A Myth?" It represents a fantasy escape by men from the rigorous female chastity demanded by patriarchy. These jokes of female <WSD>self-rape</WSD>, by 'mistake,' may be lumped with the endless novelistic tales of adultery written by men in which the woman is always at fault. 
Meaning of the word marked with <WSD> tags:  Submission to an unwanted sexual act.