Verb
wax on (third-person singular simple present waxes on, present participle waxing on, simple past and past participle waxed on)
(intransitive, often followed by about) To discuss a particular topic at length.
Synonyms: carry on, carp
What I don't understand is how women can pour hot wax on their bodies, let it dry, then rip out every single hair by its root and still be scared of spiders. Jerry Seinfeld
They courted the face on the screen, the face of translucence, the face of wax on which men found it possible to imprint the image of their fantasy. Anaïs Nin