The U curved is a head joint for the standard model flute that has been curved into a U shape so the instrument is more compact. This is so people with a small body frame can hold the instrument without having to reach beyond his or her capabilities.
Waders are a style of waterproof gear designed to allow people to stand in relatively deep water without getting wet. There are two basic styles, hip waders and chest waders, and when they are worn with a warm insulating layer, they can be extremely useful in cold, wet places. For some jobs, this gear may be required while at work, to ensure that employees are protected from the elements.
Haters. A term used by others, usually being suburban gangsters, whose lives are absolutely and undeniably defined by what others think. These people rumble often and think of themselves as original and/or indestructable. People that use the term haters are the lowest stage of the evolutionary scale. They bleed the fastest and have thought processes similar to that of a mentally underdeveloped cat.