A derogatory term that is used to refer to the Hoover Criminal Gang.

You will see this word spray painted on walls in areas all across Los Angeles. Hoover Criminal Gangsters were formerly known as the Hoover Crip Gang.

Blood, Crip and various Latino gangs in Los Angeles constantly clash with the Hoover Criminal Gang, and one of the words that they use to degrade them is Boober. Simply because it rhymes and sounds funny. So, if you see the word Boober in graffiti anywhere across Los Angeles, it's a derogatory reference to the Hoover Criminal Gang.