1) A woman's vagina, most commonly referred to a more promiscuous individual that may have some sort of std.
2) The vagina of a white woman who normally only procreates with black men.
3) A dirty vagina
Steve: 'Dude, you hooked up with Becky?'
Dave: 'Yeah man, I should have never stuck it in that dicktoaster, it burns when I pee now'
2)-'Anything that comes out of Charlotte's dicktoaster is black and burnt'
3)-'That bitch has her dicktoaster set too hot, when I pulled out it was black as burnt toast'