Horsed faced, wide arsed bitch that can't even think to the end the sentence that they have just started, let alone have any considerations about future ramifications or consequences. Achieves all this without accepting any responsibility for their actions.
Jon just doesn't give a shit about what he does or says, or what happens to others as a result. He is such a Marler
Declaring a Marler: The breakdown of our relationship was nothing to do with me.