So, if you say that you are anally retentive in a casual conversation, it really means that you are a perfectionist. The phrase has been paraphrased down to "I'm really anal" or something like that and it means the same thing.
So when a female says that, it's kind of crazy, at least to me. My demonic thoughts are like
So when a female says that, it's kind of crazy, at least to me. My demonic thoughts are like

trying to get a dry, constipated log out of you, orderliness from keeping clean after the dump, etc.), thus the term anal-retentiveness, or anal for short. Still kind of a
expression to me, but that's where it comes from.