Well, a Spanish word possibly used by a Uruguayan against a Frenchman in England, I haven't got a clue.
As far as I'm concerned, if you say racist things then you are being racist. Whether that makes you A RACIST I don't know or care, as that's a pointless judgement anyway.
IMO we all have tribal and instinctive reactions against people who are different from us, that's normal. The mark of civilisation is that we can use our reasoning minds to correct ourselves before we actually act on these in-built and perfectly natural prejudices.