Related Clues:

• 'Good going!'
• 'Uh-huh'
• 'You bet!'
• Slangy approval
• Wicked
• Revival word
• Def, to a slangster
• You can say that again!
• It's equal to 100 ergs per gram
• Prayer word
• 'Far out!'
• Extremist
• 'Cool!'
• Final word
• Cool