a hootin' and a holleriin' - When you get so excited you forget how to talk and just yell

When you get so excited you forget how to talk and just yell nonsense at the top of your lungs.

My grandma had a hootin' and a holleriin' because she found a $20 in the couch.

The mailman had a hootin' and a holleriin' because he thought the cat was trying to steal his hat.

My dad had a hootin' and a holleriin' because he thought he was a superhero.