Any smut, bl gl straight whatever. And for the sake of convenience, can we not name common ones.
My go-to pet peeve is of course… being completely naked except still wearing socks and/or SHOES (you took your pants off but kept on your sHOES??)
But one I don’t name as often… two people who allegedly both like each, confessed and everything… have sex… and don’t kiss. (What are you saving the lips for?? The damn wedding? KISS)