I'm not sure how universal this answer is going to be, since I have not one, but two personality typings that lend themselves to explosions of anger (i.e. ESTJ and type 1). But here's my theory:
I've read in various places that ESTJs are the most likely type to constantly get angrier and more stressed throughout the day/week/month because they are constantly on the lookout for things being done incorrectly, and so many things are done incorrectly. But we don't really know how to let it out in a healthy way.
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Yes, several stressful events in a row in a short period of time is especially hard for him. If I learn of something before he does, and I know he just dealt with something, if there is any possible way I will run covert damage control until some time goes by for him to recover from the first thing, then let him know about the next thing in a very calm and casual manner.
But ESTJs are too task-oriented for that, and too resistant to dealing with emotions in a way that validates the emotions. The thought process is: "Emotions are only responses to things. The emotions will go away if the stimulus is removed. By fixing the things that are wrong, the stress will go away."
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Hehe, it all traces back to me – I am the source of all incompetence in the universe.

The other Thinking doms (IxTPs and ENTJs) are just as likely to repress their stress/anxiety and let it build up until it bursts out of them. And all the Thinking doms will maintain the illusion that they are being rational, when they blow up. They are all likely to let loose their built-up rage at one particular thing, and if they are healthy enough to acknowledge that they're angry at all, then they're going to cling to the idea that their anger is justified, and how dare you think that it isn't?? (Finally seeking validation -- only in their angriest moments!) ESTJs in particular may embrace their anger in the heat of the moment, seeing it as a tool of righteous justice. Sometimes (especially if they're type 1), they might recognize that this is an opportunity to say everything they were afraid to say before, when they were so self-contained and repressed. So my preliminary theory is that the reason why ESTJs have such explosive tempers is that they haven't had the F-based skills to deal with their anger, and by the time they let their anger loose, they've probably fantasized about letting it loose for days or weeks. (This isn't to say that they won't regret the outburst afterwards, b/c 99% of ESTJs do.) But honestly, I don't know why ESTJs would blow up more than other T-doms, except that, as I said before, there's more out in the world that makes them angry, because of their very particular standards -- and that introverts are not as explosive anyway.
Dude…. Where have you hidden the cameras??
The righteous justice part makes a lot of sense. My ESTJ has mellowed/softened considerably from how hot under the collar he would get years ago. I think his Fi has developed, as well as other things have happened in his life. It's really unfortunate that many people never get to see the sweet side of them and only see their anger.