Also referred to as "busdown."
noun: A woman who can be easily imagined as taking multiple dicks with a casual attitude.
verb: The act of you and your boys violating a woman's orifices at the same time, with a casual attitude and little fanfare.
Look at how she walks - she's a busto for real.
Yo, this bitch is silly. Let's run busto. I bet she'd be with it.