You used to spell things out using the letters, like, uh, Hi, Dad, or Maxie, or...
7 seconds sound clip from the A Goofy Movie (1995) movie soundboard.
You can hear this line at 00:44:51 in the Blu-ray version of the movie.
Quote context
[...]
- Huh? (3)
- Don't tell me you don't remember Hi, Dad Soup! Oh, come on. Sure you do.
- You used to spell things out using the letters, like, uh, Hi, Dad, or Maxie, or...
- Yeah! That's... Huh? No! Little words like...
[...]