When Ones points in a argument are opinion based, have nothing to do with the topic, or is a hollow argument.
typically used when one is clearly wrong in an argument and in the moral wrong so one proceeds to spout bullshit as a self defense mechanism
Person 1: Well i may have joked About Your suicide attempt but you dated a girl me and this other guy think is Weird!
Person 2: dude that's such A Thymer Argument