mighty alrighty
The state of being slightly better than average, just enough to announce it as if its a mighty occasion. (The added 'y' being the factor which makes the emotion slightly more positive than the state of merely being alright)
Jen: How're you feeling today?
Biff: I'm mighty alrighty thanks!
Jen: HAHA!! Great!
Biff: I'm mighty alrighty thanks!
Jen: HAHA!! Great!