A ski slope groomer in Stowe, Vermont, says he and his colleagues use vehicles that make corduroy, the packed, parallel, ridged surfaces of snow that are perfect for skiing. Another term for the fabric corduroy, or someone who wears it, is whistle...
The US Southern nickname whistle britches likely started with corduroy trousers, whose wales make a soft whistling or swishing sound as a wearer walks. Marshall from Point, Texas, heard his East Texas grandfather use it for men who seemed...

