boffo /bofˈō/ (informal)

1. Highly successful
2. Excellent

• flatshare
• flatshares
• flat spin
• flatted
• flatten
• flattened
• flattening
• flatten out
• flattens
• flatter
• flattered
• flatterer
• flatterers
• flatteries
• flattering
• flatteringly
• flatterous
• flatterously
• flatters
• flattery
• flattest
• flatties
• flatting
• flattings
• flattish