I think I won’t use it ever. I think it’s a stupid expression.

Thanks!

What does glazer mean in this context? (English is my fourth language)

That’s exactly right.

It’s called крокодил I think

They always do

Some people believe using gender-specific insults over gender-indifferent insults implies hatred of that gender. I’m not one of them, but OP might’ve encountered some and thus has become more reluctant in his/her use of language

I genuinely love Australian cursing.

It’s fine, you can call her a cunt