When someone verbally attacks you in an abusive manner. More specifically on the internet, on forums, in videogames, and more of the like. Profanity will ensue while wordbanging. It is also a method of crushing ones ego, embarrasing them in front of peers, and ultimately making them flame, rage, or in the worst cases, rage quit.
Alternative: To spam ones screen in a video game with in-game chat with senseless binds, and or chat. To annoy your foes, and sometimes your friends.
I am PRO: You Fucking suck you noob!
CoDplayer: Stfu man, at least I dont suck cock!
JapJOE: Damn PRO, you just got wordbang