Famous guitar distortion pedal. Sounds pretty good.
Also has a funny sounding name...
by the bg August 21, 2004
reference to a large patch of pubic hair on a female.
i was goin south on this honey, and ran into the big muff!
by b.mizzle November 10, 2006
name of a song by scottish artist John Martyn...
That john martyn song BIG MUFF is awesome... some say its about pussy hahahaha
by billycup February 11, 2010