A word used by black people to tease them, just like nigger.
It comes from black people who noticed the white people having pale skin and relativly dry much like a salty cracker wafer.
It was first used and publicised by the Black Panthers and Malcome X who at the time said White Cracker. It was also used by Bill Clinton to describe white voters to win the vote of black people in the US.
White people think this word comes from Slavery when the white man would use the whip or cat & 9 tails, which is false and wrong.
The word originated in the Southern states in the US and in Britain.
The word can also be used to describe "Poor" white people on welfare from trailor parks used by the white man.
Conclusion: A derogatory word to describe the White man, like honkey and cracker baby. Though white people think its no offensive, it is very much so. That if you call them a cracker, there face will Turn red immidiatly.
white man: her nigger
black man: hey cracker
black man: Whats good cracker, you do know that every race other then crackers hate you.
white man: i though so, thats why I dont have friends..
black man: yeah, that might be part of the reason