It means close to something like a kidding around or to joke around.
It can be said as "bustin beans" also.
after saying you were bustin beans you should say "forget about it" but it is said with an Italian voice....like Mario

when you have explosive diarrhea so bad that it is audible from the next room. It is followed by intense muscle spasms and loud groans and moans from the excretion.

To pass gas (fart).

The act of eating a toe

The hottest thing you could whisper into a bitch's ear, before you release your baby-batter.

The hottest thing you can whisper into a bitch's ear, before releasing your hot baby-batter.

When you fracture your clavicle because a can of beans was thrown at you full force directly onto your clavicle.