flex

word

Definition

To bend or tighten a part of your body, especially a muscle, to show its shape. Informally, it also means to show off or boast about something you have or can do.

Usage & Nuances

As a verb, 'flex' is neutral in formal contexts (talking about muscles) but slang in the sense of showing off. In slang, 'flex' is often used as 'big flex' (impressive boast) or 'weird flex' (strange thing to show off). Don't confuse with 'flicks' or 'fix'.

Example Sentences

He likes to flex his muscles at the gym.

basic

Can you flex your arm for me?

basic

She can flex her fingers easily.

basic

He's always trying to flex his new phone at school.

natural

That's a weird flex, but okay.

natural

No need to flex—we're all friends here.

natural