Donald Trump is, by nature, an irrational creature. But he knows how to use his irrationality as a weapon. He does all sorts of weird things and creates distraction which cause people to lose focus on what he is really doing.
We, and all others who oppose him, can do the same thing to him. We can do and say things that attack his super massive ego. That will inevitably get under his skin and he will do stupid things that will hurt him. He can't help himself -- he will inevitably do that. So, let's bombard him with such things NOW.