A trendy, very played out, graphic design inked on the small of a woman's back just above her ass crack. In most cases they are tribal designs.
Also, used as a targeting or guidance system when the backdoor matadore moves in on his prey.
1. When Jamie bent over Matt totally scoped her poo tattoo.
2. Though the lights were low MAtt was able to once again become the backdoor matadore with the assistance of Jamie's poo tattoo.