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A social inability to express anger, that is believed to have originated within the central coast of NSW, Australia. The sufferer is unable to express their anger properly and therefore instead of just yelling or raising their voice like the rest of us, they screw their face up, open their mouth and angrily whisper what it is that's pissing them off.
Karli is an avid sufferer of quiet-scream-syndrome due to her inability to express her anger.
by rhysyboy93 April 13, 2010
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