User blog comment:IamJakuhoRaikoben/Chapter 314: Erza vs. Kagura, Review./@comment-4896357-20130112224250/@comment-4896357-20130113062146

Mega means "Haters gonna hail" with that image :D

http://images1.wikia.nocookie.net/__cb20121230185624/redfemaleknight/images/c/c0/Tumblr_md3s2fcjL21qj8erx.gif