Related Clues:

• Not genuine
• Like a three dollar bill
• Concocted
• Spurious
• Plastic
• Like the 28-Down of underage drinkers
• Insincere type
• Full of beans
• One full of baloney
• Mobster's 'canary'
• Not genuine (colloq.)
• Fake (mainly US spelling)
• Insincere one
• Fake (alt. spelling)
• Faker