Listen to any early Van Halen album...when you hear a guitar, you'll be hearing the Brown Sound. It's a guitar sound so incredible it'll make you shit your pants.
The most wet, dirty, polluted, and disgusting sound wave ever emitted from the anal cavity. Usually accompanied by mild excretion and typical repulsiveness.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.