Related Clues:

• Envelope-pushing
• Feeling nervous
• Like performance art, often
• Likely to offend some people
• Having the jitters
• Ill at ease
• New-fangled
• Tense and irritable
• Nervous and irritable
• Nervous and tense, irritable
• Nervous at not being in the least offside?
• That's entirely on the brink of being nervous
• Not to be too blunt, perhaps, uptight
• Jumpy enough to make one look sharp
• Nervous of not being entirely offside