Originates with the 1979 movie "Being There" starring Peter Sellers as a simpleton who gets interpreted by people as if he were a genius.
The phrase is used today as a funny response to just about anything, especially sexual references.
by Jim McCabe October 2, 2003
Someone tell me what the hell this means. I saw it on many a T-shirt.
by Blargh. June 28, 2003