flex one's muscles
phrase
: to demonstrate one's strength
… an exaggerated need to flex his political muscles …—
J. P. Lash
J. P. LashCite this Entry
“Flex one's muscles.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flex%20one%27s%20muscles. Accessed 11 Dec. 2025.
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Merriam-Webster unabridged
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