mackerel badger
When you let one rip and say it like you're a genius. It's for people who think they're smarter than everyone else and their butt is a secret weapon.
'Mackerel badger,' he said, like he just invented something.
'Mackerel badger,' she said, like she was the brainiest person in the room.
'Mackerel badger!' he yelled, like he just solved the universe.