I'm not sure if you simply mean any kind of disparaging term for mentally ill or specifically "nutter" or "kook" or... the more jovial [I guess?] kind of terms.
But, regardless? I have in the past been full on batshit crazy due to circumstances well outside autism.
However, I "present" really well a lot people tend to label me crazy when I'm just having a very strong minded discussion or because they are being unreasonable and pissed off. Or, I don't know, they simply found out about a "label" I have but they so often have no real concept of what the label entails.
This means pretty much every time if someone makes some kind of disparaging remark regarding my mental health they just really have NO IDEA what they are referring to. I don't have a problem with it because the extent of my ability to be nuts, and further the amount/intensity of actual mentally interesting people I've encountered/interacted with is not evident to whatever jerk is using it as an insult. [I used to do a lot of peer support- frequently with people who were off meds and/or refused other treatment, etc etc. Neither of which I do]
I probably should be insulted because of intention- but it comes from ignorance so... most of the time it's like saying "you are a... a... poopoodingyfoofieface!" I mean there's not a lot of substance if you aren't sure of what you are talking about.
Um... but that's a lot of background so...
This:
TL;DR
"You think I'm crazy? Dude, you have no idea the kind of crazy I've seen. Joke's on you."
Um, but when you laugh at someone who is calling you crazy like they just told you a really funny and inappropriate joke it can sometimes catch them off guard. But laughing disarms a lot of people in a lot of situations- so that's something I realized in general.
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I don't know about other people, but when I wake up in the morning and put my shoes on, I think, "Jesus Christ, now what?"
-C. Bukowski