sound and fury en · NOUN
Etymology
From William Shakespeare's play Macbeth, in which life is said to be "a tale / Told by an idiot, full of sound and fury, / Signifying nothing".
Meanings
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(uncountable) Impotent or meaningless ranting.
[…] I met Babu in the Ugandan capital, Kampula, during the Pan African Movement meeting and he was full of sound and fury, backing the divisive (and now discredited) ethnic politics of the regime in Ethiopia. In fact, Babu was a radical nationalist who was never able to surpass the limitations of his "island" […]
2003, New African (issues 414-424, page 5)