1 definition by south park rules :D

The tone so low that it moves your intestinal valves, thus causing you to shit yourself.
4 million third graders got together in arkansas to play my country tis of thee on recorders and the boys changed the music to the "brown tone" (96 cents below the lowest E flat) and the whole world simultaneously shit themselves.
by south park rules :D December 25, 2009
Get the 96 cents below the lowest E flat mug.