Merry-andrew
Pronunciation : Mer"ry-an"drew
Part of Speech : n.
Definition : Defn: One whose business is to make sport for others; a buffoon; a zany; especially, one who attends a mountebank or quack doctor.
Note: This term is said to have originated from one Andrew Borde, an English physician of the 16th century, who gained patients by facetious speeches to the multitude.
Source : Webster's Unabridged Dictionary, 1913