It is an English acronym, short for “Sorry Mate, I Didn’t See You!”, a common excuse used when pedestrians get hit, doors get opened, and “accidents” happen. In the UK there is a campaign to change attitudes of the public, police practices and prosecution in the courts, saying that it is just an excuse for covering up

carelessness. I personally got Smidsied in Florida as a pedestrian by a truck doing a left turn in the only intersection of a very small town; he didn’t think people actually walk in the evening. I got it again the other day on my bike. Now

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Jargon Watch: SMIDSY