Canada, 1857: an angelic being imagined as being the source of a fall of snow—USA, 1893 (?): an impression in the snow resembling an angel, made by lying on one’s back and moving one’s arms and legs back and forth in an arc along the ground
USA, 1927: a woman with a silvery-blonde hair colour—USA, 1930: specifically applied to Jean Harlow—also (USA, 1927) ‘platinum’: a silvery-blonde hair colour
USA & UK, 1995—to take a pregnancy test of a type involving urinating on a disposable plastic stick which immediately indicates the result—also, more generally: to take any of various other diagnostic tests of this type
UK, 1911—a sharp blow to the back of the neck—refers to the practice of killing rabbits in this way, and originated in boxing—Australia, 1913: ‘rabbit killer’, also ‘rabbit-killer punch’