Answer: FLEX
FLEX is a crossword puzzle answer that we have spotted 63 times.
    - Bend
 
    - Show muscle?
 
    - Show off one's biceps
 
    - Show off, like Mr. America
 
    - Show off at the gym
 
    - Flaunt, say, as muscles
 
    - Show off at the gym, say
 
    - Show off one's muscles
 
    - Show off one's bod
 
    - Show one's biceps, perhaps
 
    - Bend, as a joint
 
    - Make like a muscleman
 
    - Show some muscle
 
    - Contract
 
    - Shampoo brand
 
    - Joint activity?
 
    - Show off, as one's muscles
 
    - Move a muscle
 
    - Brandish one's biceps
 
    - Emulate a Mr. Universe contestant
 
    - Contract, as a muscle
 
    - Bend, as muscles
 
    - Bend one's elbow, e.g.
 
    - Bend, as an elbow
 
    - Show off your guns
 
    - Expand and contract
 
    - Like variable work time
 
    - Tighten by contraction
 
    - Emulate Mr. Universe
 
    - DJ Funkmaster ___
 
    - Show off the muscles
 
    - Show off your muscles
 
    - Work one's biceps
 
    - Show off the biceps
 
    - Tighten, as muscles
 
    - ___ time
 
    - Crook
 
    - Show of strength?
 
    - Electric cable
 
    - Display some guns
 
    - Show off one's "guns"
 
    - Show off at Muscle Beach
 
    - Move a muscle?
 
    - Bend, as biceps
 
    - Show off, in a way
 
    - Show off à la Mr. Universe
 
    - Display muscles
 
    - Show off, as muscles
 
    - Show off, Mr. Universe-style
 
    - ___ time (workplace benefit)
 
    - Strike a bodybuilder's pose
 
    - Make a crook out of
 
    - Make like Mr. Universe
 
    - Show off biceps, say
 
    - Show off a muscle
 
    - Sport one's biceps
 
    - Bodybuilder's gesture
 
    - Show off muscles
 
    - Show off
 
    - Emulate a crook
 
    - "Weird ___, but OK"
 
    - Show off one's physique, in a way
 
    - Show off, in slang