* Misspelling: It might be a misspelling of a different phrase.
* Slang or regional expression: It could be a slang term or a regional expression in a specific language or dialect.
* Made-up phrase: It could be a phrase someone created, perhaps for a fictional story or a specific purpose.
To help me understand what you mean, please provide more context:
* Where did you hear this phrase? (e.g., a book, movie, conversation)
* What was the context? (e.g., what were they talking about?)
* What language do you think it's from?
With more information, I can try to figure out what "mangkok ayon" means.