Related Clues:

• Bulgarian neighbour admits taking top off trophy - it's breathtaking
• "Coolio"
• "Groovy!"
• "Cool, dude!"
• "Coolio!"
• Excellent stand-in welcomes training run
• Geiger counter unit
• "Groovy," in the '80s
• Trigonometry meas
• “Far out!” in dated slang
• Unit akin to the roentgen
• "Super cool"
• 'Stellar!'
• A payment in advance will secure choice
• Excellent member of parliament's missing from showpiece sporting event