My daughter is a meowy.

Girl: "OMG MEOWI IS SOOO CUTE!"
Meowi: "Meow"

Girl: "OML MEOWI IS SO CUTEEE!"
Meowi: "meow"

Birdie Birdiekins, will you meowy me?

Guy: Hey! What's up with your cat? He's running around all crazy like!

Girl: Oh, that. He's been into the meowie wowwie again and it gets him really wound up. Like a shot of whiskey does you.

Person 1: "Did you see how Jeff pulled a meowy misfire yesterday??"
Person 2: "Yeah, I had to clean it up myself!"