1. O: quick temper, little things can upset him, with aggressive side in character, "I want to vent" would justify a tantrum.
2. B: it looks very good temper, in fact, temperament is very direct, carried away by anger, rational immediately disappear, people around you often don't understand why he get angry.
AB: the famously calm AB people basically won't be angry, but once put to a very terrorist, occasionally because they will control your emotions, typically anger will blow over soon.
4. Type A: type A good patience, often in only when you can't resist.So once angry, the consequences are often not idea.