flex one's muscles

Show off one's strength or power, as in The boys love flexing their muscles, or The new department head has decided to flex her muscles. [Early 1900s]

Common Names:

Name	Pronounced	Usage
Mauno	MOW-no	Finnish
ÙNa	OO-na	Scottish
Khalid	-	Arabic
Uzma	-	Arabic
Liliana	lee-LYAH-nah (Italian, Polish), lil-ee-AN-ə (English)	Italian, Spanish, Portuguese, Romanian, Polish, English
Kayleen	KAY-leen	English (Rare)