Australia, 1940 (?)—UK, 1963—origin unknown—either somehow derived from the sense ‘to be parched’ of the phrase ‘to spit feathers’ or a distinct phrase which happens to be identical in form
USA, 1850—based on the image of a thirsty person whose mouth is so parched that it feels as if it were filled with feathers and that the person thus feels choked
USA, 1961—the type of body, typically slim and shapely, conventionally considered to look attractive in a bikini—hence also, by synecdoche: a woman whose body is of that type
refers to a school’s bicycle-shed as a place of seclusion in which pupils pursue prohibited activities such as fighting, smoking, etc.—1909—‘bicycle-shed’: a shed for storing bicycles when not in use
UK, 1809—the level of physical force deemed appropriate or justifiable by law in protecting oneself or one’s family or property; also: in apprehending a criminal suspect or preventing a crime