Scaramouch is a noun meaning eitherĀ 1) a rascal or scamp, orĀ 2) a stock character in a comedy who is a cowardly braggart.
Barry’s favorite part in Queen’s Bohemian Rhapsody is the line “Scaramouch, Scaramouch, will you do the fandango?” even though he had no idea what it meant.