Related Clues:

• Smashing, terrific
• Fool — drug(s)
• Spiffing!
• Extraordinary, in slang
• Inspiring reverence
• Stupid not to notice that it's stuck in downpipe
• Dope, in the '90s
• Fool — model aeroplane varnish
• ''Outstanding!''
• A1
• "Very cool!"
• First-rate, so to speak
• Wondrous
• Marvellous!
• Prefix with "model" or "star"