Related Clues:

• Emulates Mr. Universe
• Bends
• Shows off one's biceps
• Poses at a bodybuilding competition
• Poses, as on 'Jersey Shore'
• Shows off at the gym
• Contracts, as a muscle
• Moves or bends muscles
• Bends joint or muscles
• Shows off the muscles
• Runs off to secure ten contracts
• Boasts, colloquially