mega Meaning very big; extremely For example Those guys who started software companies back in the seventies are mega rich by now. The Beatles were one of the mega bands of the century, for sure. #Slang_of_the_Day ▬▬▬▬▬▬▬▬▬▬▬▬ ➠@PhrasalCards ➠@SlangWords ➠@IdiomsLand ➠@Vocabulix ➠@GrammarCards ➠@EnglishGate ➠@StoryPage 5.9K views15:30