@StarfallWith literally 17 definitions on Urban Dictionary, and an entirely different definition in the Oxford Dictionary, there is a huge selection of meanings to choose from.
My perception of Edgy is anything that pertains to the Dark and Gritty while generally centering around things that were adopted by Emo and Gothic culture. Satanic symbolism, darkness and flames. Red and black coloring. So on and so forth, you get the picture.
He matches all of these check marks, and I'm not actively insulting anyone by having a point of view that differs from yours. People that don't see eye to eye aren't insulting eachother, and saying that I AM insulting you by not agreeing with someone is exactly like this:
"I don't like Rye Bread, I think it's bitter and crumbly."
"Well I think Rye Bread is the best bread, and you're insulting me for saying you don't like Rye Bread."
God damn, can't people have fucking differing opinions anymore? Or do people all have to agree, lest we start an argument.