I think, OP, that the poster who called you a 'rabid second waver' admitted that was a lazy characterisation - she'd got the impression somehow that you were a 'separatist' anti-male type. Probably not worth dwelling on too much!
I don't particularly think about my feminism in terms of 'waves'. Just using the definitions in the (doubtless very oversimplified) 'waves' paragraph of the Wikipedia page:
1st: women's suffrage movements of the 19th and early-20th centuries, promoting women's right to vote
2nd: 'womens liberation' which began in the 1960s and campaigned for legal and social equality for women
3rd: from about 1992, 'characterized by a focus on individuality and diversity'
4th: from about 2012, combatting sexual harassment, violence against women and rape culture, best known for 'me to'.
So.... we're all massively in the debt of the 1st and second wavers. I'm 62 and rode the crest of their waves! I was able to become a scientist, it wasn't till part way through my PhD when I realised how recent my apparent equality was and that it wasn't yet all done and dusted. It wasn't all about me, "I'm all right, Jill" didn't cut it. And their work isn't finished yet, certainly not globally.
The third wave rather passed me by at the time. There's such a mix of ideas in there, some very worthwhile and valid, others far less so.
Fourth wave - well what woman isn't on board with combatting VAGW etc?
The focus of my thoughts doesn't particularly fit into any one of these. It's about how to achieve true egalitarianism. This requires a clear understanding of what does and doesn't matter. 'Gender' - stereotypes and rules around how the two sexes should behave and present can get in the bin. That's not the way to liberation for all women (and men). Sex, the similarities and differences between women and men matters. How do we deal with the structural sexism arising from the fact that men are typically stronger and more aggressive and accustomed to being 'the first sex', but also completely and utterly crap at childbearing?