1. Anger from Donald Trump aimed at others and often done over petty remarks or perceived slights, typically from the media or other world leaders;
2. Anger most likely taken out on Twitter at 3 AM in the morning;
3. January 6th;
4. A 19-foot-high diaper-clad, mobile phone clutching ‘Trump Baby’ inflatable that protestors flew over London during the President’s visit in July 2018;
5. Anger that can sometimes be calmed by people playing show tunes, especially Memory from the musical, Cats.
See also: The Music Man