flexing

Verb

flex (third-person singular simple present flexes, present participle flexing, simple past and past participle flexed)

1. (transitive, chiefly physics or biomechanics) To bend something.
   • The board flexes as you step on it.
2. (transitive) To repeatedly bend one of one's joints.
3. (transitive) To move part of the body using one's muscles.
4. (intransitive) To tighten the muscles for display of size or strength.
   • He rubbed his hands together. "Believe it or not, there was a time when I considered giving acting a go. What do you think, Miss Fox?" He flexed impressive biceps. "Would I have had a chance against the Schwarzeneggers and the Chuck Norris types?"1994, Elise Title, Body Heat, page 189
5. (slang, transitive) To boast or brag about; to flaunt (something).
   • I've got billions and billions of rhymes to flex / 'Cause I've got more rhymes than Carl Sagan's got turtlenecks2004, “Hey Fuck You”, in To the 5 Boroughs, performed by Beastie Boys
6. (intransitive, slang) To flaunt one's superiority; to show off.
   • I shook my head, wondering if I was gonna have to knock Pimp on his ass. "I don't know where," I flexed on him with my height advantage, "you getting all this 'soft' bullshit from, dawg, but you just keep fuckin around. I can show you gangsta better than I can tell you."2006, Noire [pseudonym], Thug-A-Licious: An Urban Erotic Tale, New York, N.Y.: One World, Ballantine Books, →ISBN, page 108

   Synonyms:

   aura farm, preen, stunt, boulevardier, cut a wide swath, cut it fat, cut round, exhibitionize, figure away, flamboast

See all 13 meanings of flex