1. Child Language:
* Simplified Pronunciation: It's likely a child's simplified version of "goodbye," a common way for young children to learn to speak.
* Phonetic Similarity: The sounds "buh" and "bye" are phonetically close to the first and last sounds of "goodbye."
2. Regional Dialect:
* Southern American English: The phrase "buh bye" might have originated as a regional dialect in the Southern United States, where it is still commonly used.
3. Popular Culture:
* Cartoon Characters: Some argue that cartoon characters like Mickey Mouse and Bugs Bunny popularized "buh bye" in the early 20th century.
* Children's Books: The phrase might have gained popularity through its use in children's books and rhymes.
4. Imitation:
* Imitation of Others: Children often learn language by imitating others, so it's possible "buh bye" spread through this way.
Ultimately, the exact origin of "buh bye" is likely a combination of these factors. It's a playful and informal way of saying goodbye, commonly used by both children and adults.