When it comes to Christmas decorations, there's no such thing as too many lights. Featuring working lights on the front, this Men's Light that Sh*t Up ugly Christmas sweater has enough flash to make Clark Griswold proud. And who knows, if you get enough egg nog in you, the catchphrase on the front might apply directly to you, too! Correct us if we're wrong, but we believe that's what's called being lit.