flex one's muscles

Definitions

1. 1

   To tense and bend one's flexor muscles.

2. 2

   To show off one's strength or skills.

   • But at a time of a growing perception in the West that China is flexing its muscles [...], countries closer to China’s shores also worry that it might be getting more assertive.
   • Gomez's goals were his 10th and 11th of the season but only Hart's excellence prevented that total being extended, as the four-time European Cup winners flexed their muscles.

The neighborhood