Is the Greasy bit new? Or have I been exposed tocensoredredacted stories?
*anthropological minds want to know*
Oh, that took me back! When my kids were little, they loved Kipling's Just So stories. I can't remember which one of them added the 'greasy' bit, but we always called it that from then on. I think it might have been my youngest daughter - she likes alliterations. So yes, the greasy bit is not original. But probably quite an accurate description of it now.