I'm just taking the piss, and being a little self-deprecating too. I've never heard the term greasy used in conversation, although TPBs was filmed near where I grew up and I've seen a lot of the episodes.
EDIT: and I do feel like I'm living in Minority Report more and more.
EDIT: and I do feel like I'm living in Minority Report more and more.
Once I would have taken that as a given, but given his age it comes as a very pleasant surprise.