Can one light Chanukah candles with ear wax? I'm not suggesting that people actually do this, as it is weird. But, I'm asking this in terms of allowable halacha.
I know that the 2nd chapter of Talmud Shabbat delves into the types of oils, waxes and wicks one mauy use for Shabbat and a bit into what may be used for Chanukah. I didn't delve into the full chapter as it is quite involved.
At any rate, AFAIK, the Talmud doesn't state anything permitting or prohibiting using ear wax for Chanukah lights. The only thing I can think of prohibiting it is that maybe it's considered "disgusting" (though, while I think it's weird, I don't find it disgusting, actually.)
To consider, perhaps - If you're concerned about lighting with "animal secretion", consider that bees wax is also animal secretion, and it is permissible.