If you can't back up your claims, then don't make them. I don't have to prove your claims for you.
I'll keep saying what I want, thanks. You don't have to prove them, because 1) it's already been done, and 2) I don't care if you remain ignorant

Where the scientific proof that sex =/= gender?
Just about every trans person in existence serves as proof, and there are a lot of them. If you wanna go be a bigot to their faces, hell, I won't stop ya. Karma has a way of paying back its debts in the end.

It's funny that you either have reading comprehension issues, or are trying to ineffectively twist my post. 6000+ years of human history say sex =/= gender. Tumblr says you can be a otherkin, like furniturekin
It's good to know that Tumblr is apparently where all your research on the matter comes from. No wonder you think it's a joke.

Your 6000 years of human history don't really account for squat. We're in the 21th century now; try joining us.


It also has an additional meaning.

Nope. Bunch of people using it wrong does not mean it's gained another meaning; it means it's gained a bunch of idiots who literally cannot use literally correctly.