Your friends hate your Halloween costume idea. I'm not a mindreader or anything, but I'm just pretty sure that's the case if you're going in any pop cultural direction for this year's festivities, particularly pop music.
It isn't that this year's music memes are especially egregious, although one rises above the pack and then dives far, far below it -- it's that the sold-by date for memes, the window in which people will be impressed by your ability to re-create the thing they saw on TV, gets shorter every year. There's just too much of it already -- once a joke emerges, Twitter is relentless in beating it until there's nothing left except a trail of desiccated Will Ferrell Parody accounts.
I don't know what your idea is, in particular, but here are five you absolutely must avoid.