A humorous alteration of the idiom "heavens to betsy." Popularized by the '60s cartoon character Snagglepuss, who was a regular on the Yogi Bear Show. "Murgatroid" is sometimes spelled "murgatroyd" or "mergatroid."
Oh! Heavens to murgatroid!
by David Roazen June 09, 2004
Get the heavens to murgatroidmug.