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An adjective used to describe certain rail enthusiasts that think every old EMU / DMU / Diesel Locomotive / Electric Locomotive are better then any and ever new train that is built They also climax at the any sort of thrash or horn they get. You can spot a foamer by what they were or what they carry they usually have an iPad and a tripod or some shitty camera and are aged between 16 - 150 years old
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