funster /funˈstər/ (informal)

1. A person who causes merriment
2. A joker or prankster

• countersealed
• countersealing
• counterseals
• counter-security
• counter-sense
• counter-senses
• countershading
• countershadings
• countershaft
• countershafts
• countersign
• counter-signal
• counter-signals
• counter-signature
• counter-signatures
• countersigned
• countersigning
• countersigns
• countersink
• countersinking
• countersinks
• counter-skipper
• counterspies
• counterspy
• counterspying