A coolred and silver Japanese superhero from Nebula M-78, the Land of Light, who beats the everliving crud out of big rubber monsters. Since 1966, there have been some 16 spinoffs and counting.
1. A secret spell hidden in the depths of the restricted section in the HogwartsSchool of Witchcraft and Wizardry library. It will inflict the victim with the uncontrollable urge to do the chicken dance and simultaneously shout their most embarrassing moments in Shakespearean language.
2. Used as a slang word in place of embarrass or humiliate.
1. James: "ultramassavarium!"
*points wand at severus*
Severus: *doing chicken dance* "HAVE THOU, A YOUNG ROSE WHO SHALL BE NAMED LILLIUS EVANS DOTH NOT LOVE ME!"
2. "Oh boy, am I gonna ultramassavarium you one day!"