Reading (duh), writing (theoretically), pens, flags, music (alternative, electronic, and classical mostly. K- and J-pop also welcome), languages and scripts, trains, astronomy, anime, assorted fandoms.
And sometimes they’re just plain wrong, too. Not even “Yeah, I can see how you misheard that.” Straight-up “Beethovenwould’ve gotten this right, what is wrong with you?”
That has to be the best music themed diss I have ever seen.