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when one tries to overcompensate from a position of power or weakness. Typically acting unnecessarily tough, invoking threats of non-fatal violence like punching, pushing and personal space invasion. The later being the favorite of the office nut-flexer in which deals, leads and projects are reassigned based on juvenile bullying tactics.
"Yo how come my order didn't deliver today?"

"Because another customer called up and started flexing-nuts"

"What?"

"Yeah he came to the factory and tried to fight my boss"
by georgelasealva January 24, 2016
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