Often a term used to describe someone who acts
like a black person but is often from a predominantly
white country - more specifically the middle class area, the term can also have a meaning to describe someone who is
annoying or frustrating to be around and acknowledges this.
Kofi - *does something inherently stupid or annoying*
John "Stop acting
like a Jamaican white
bread"
Alternatively
Kofi - * Runs up on said person, confronting them in a disorderly manner*
John - "Stop that you Jamaican white
bread"