Definition of «rage monster»

The phrase "rage monster" refers to someone who becomes extremely angry or furious, often losing control and acting out aggressively.

One's by the book, and the other's a giant green rage monster! (themarysue.com)
As we age, imbalances that were once very much under control can become raging monsters. (ericamesirov.com)
And I'm a huge fan of the way you lose control and turn into an enormous green rage monster. (rottentomatoes.com)
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