anorak n. As well as being a waterproof jacket, an anorak is someone who's a little bit too knowledgeable about one subject. Generally a subject like seventeenth century flower pots or steam trains, rather than athletic sexual positions or gunfighting. Americans (and also Brits, as our languages merge ever closer) would call them "geeks". I have a feeling that it's because train-spotters all wear brightly-coloured anoraks, but I've no real basis for thinking that. This is just another example of me foisting my half-thought-out biased views on the general public via the one-way medium of the web. I love this dirty town.