Flame war is a term used to describe online arguments or heated discussions that can often turn aggressive or insulting. Synonyms for flame war could include online argument, digital conflict, virtual feud, social media clash, text battle, or keyboard war. Other terms that could be used to describe a flame war could be online drama, cyberbullying, internet trolling, or a flame war frenzy. With the rise in social media and online communication, flame wars have become more common, but that doesn't mean they're healthy or productive. It's always important to engage in respectful communication, even in a heated discussion.