• fighing,
• frighning,
• srugging,
• briging,
• brgging,
• flighing,
• friving,
• wriging,
• frinking,
• fisging,
• frigin,
• figuing,
• friing,
• wrighing,
• origing,
• foggging,
• fliging,
• riging,
• fragging,
• froging

The adjective form of the word "frigging" is "frigging". Example: "That frigging car won't start again!"

The plural form of the word "frigging" is "friggings".

The singular form of the word "frigging" is "frigging". The word does not change from singular to plural.