Can you interpret Uncle Quark in context? Because it could have just been like a typo in the recordings. I kind of hear it, but can't make sense of it

Uncle Martin, My favorite martian, it has to be familiar. Pissing your pants is slang for being very scared, so that could be something. But with someone familiar? I doubt it

" like some kind of blue-green Jackie Chan" - this line has got me, i give up