a mix between a marine and a scorpion. normally a skinny, lean, very sexy marine who lacks the mass of most infantry marines. he is known for turning into a deadly gian scorpion (as seen on clash of the titans) and going on a skyscraper crushing spree.
omg dude, her boyfriend is a maropion, dont fuck with him he'll crush your skyscraper!
by usmc shitbag September 28, 2010
Can you define these popular missing words?