Related Clues:

• Like some performance art
• About to snap
• Pushing the envelope
• Like a bundle of nerves
• Innovative and daring
• Out there, in pop culture
• Fragile
• Easily crumbled
• Get on the bad side of
• Respond to a green light
• Controversial
• Intersect
• Not at all serene
• Pacing, perhaps
• MSC word