1 definition by assofbass

A fart that makes a deep booming noise like a subwoofer.
The following is an example of ass bass:
Person 1: "Damn the subwoofer on this sound system is amazing."
Person 2: Nah, actually that was me. I just farted.
by assofbass September 10, 2007
Get the mug
Get a ass bass mug for your daughter Zora.