Citations:Jocastan

"incestuous"

 * 2006, in Discourse, the Berkeley journal for theoretical studies in media and culture, volume 28, page 61:
 * the film remains oblivious to the fact that Marty is really her son, make a presumptive pass at him, unwittingly undertaking the Jocastan kiss at which the film had so far only hinted, but to which it now, slightly surprisingly, commits itself.

possibly "incestuous"

 * 1997, Frederic Raphael, The necessity of anti-semitism, page 265:
 * Come to think of it, Moore was not much of a tail man: his mothers are maternal, without any Jocastan hints in their comportment or their anatomy: there is nothing under the recumbent figures' skirts,