brain bucket

Noun

 * 1)  A protective helmet, as worn, for example, by a motorcyclist, bicyclist, or soldier in combat.
 * 2) * 1987 July 7, Susan Bickelhaupt, "Tour de France Packed Solid," Boston Globe, Sports p. 33:
 * Roy Knickman of 7-Eleven said he fears more crashes today and will not keep his helmet far from sight. "I always wear my brain bucket," he said.
 * 1)  The skull.
 * 1)  The skull.
 * 1)  The skull.