nitpicking
An act or instance of pointing out or complaining about every flaw that one comes across (in or about something), no matter how small, petty, or insignificant. Sometimes hyphenated. You might disregard my points as just nitpicking, but you'll appreciate it when you get an A+ on this paper. This is why I hate going to the movies with you. Instead of just enjoying what we watch, you spend the whole time nit-picking!
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.