ass-rattler

A very loud fart, especially a reverberant one.

Ron's potent ass-rattler, amplified by the cheap plastic booth he was sitting in, thundered through the Denny's dining area.

finger rattler

When touching asshole..and female blows a fart

That was a good finger rattler

Pipe rattler

When you flush ur poop and the pipes make a knocking sound

Bro I just had a pretty good pipe rattler that I felt a little bump in the floor