Related Clues:

• Lacking slack
• In knots
• Eager, and then some
• Touchy
• "Take ___ from me" ("Here's my advice")
• Pumped
• Staring
• All het up
• In danger of snapping
• Like a kid at the circus
• Wide-eyed with expectation
• Past or future
• Present, for one
• Hardly relaxed
• Enthusiastic, plus