Gibbering monster Synonyms

Gibbering replaced

Synonyms for phrase

GM abbreviation

GM is an abbreviation for Gibbering Monster
What does GM stand for?
GM stands for "Gibbering Monster"

Definitions for Monster


  • (adjective) unusually large
  • (noun) a strange or horrible and often frightening creature
  • (noun) a person , thing, or event that is far from normal