mate1: I've nodded off, and spilt me beer down me kecks
mate2: You obin nobin gobin dobin. Here, take half of mine.
chum1: I was tricked into selling Mayfair last night when playing Monopoly at me bird's house.
chum2: You obin nobin gobin dobin! Wot did I tell you - never sell the blues! Man alive!
This is the action by which a person will try and avoid engaging with an argument or critique/criticism of a position they hold to/have espoused, by accusing their interlocutor of being a "debate bro" or overly "debate broish". Something along the lines of using a rhetorical appeal to how their interlocutor is interacting with them, when it's just a cope to avoid the criticism.