oedipus rex, n. — Green’s Dictionary of Slang

oedipus rex n.

[rhy. sl.; ult. Greek tragedy, Oedipus Rex by Sophocles (?496–406 BC)]

sex.

1979		R. Barker Fletcher’s Book of Rhy. Sl. 5: It will give you something to rabbit to the trouble about in the skein, instead of having to fall back on the old Oedipus all the time.
2002		D. Shaw ‘Dead Beard’ at www.asstr.org 🌐 And it’s going nowhere until I’ve given it all the oedipus rex I can, even if I half kill myself doing it.