* It's a mishearing or misspelling: Double-check if you heard or wrote it correctly. Perhaps it's a similar-sounding phrase in another language or dialect.
* It's a slang term or regional expression: Could be a local expression from a specific region or community.
* It's a made-up phrase: Some phrases are created for fun, fictional purposes, or as part of a specific group's jargon.
To get a better answer, please provide:
* The context: Where did you hear or see this phrase?
* The language: What language do you think it might be from?
* Any additional information: Do you know anything else about the situation or speaker?
With more context, I can help you figure out the meaning of "wa chee tu."