* It's a misheard phrase: It might be a misspelling or mispronunciation of a real phrase.
* It's a made-up phrase: It could be a fictional phrase created for a story, game, or other creative work.
* It's specific to a particular culture or context: It might be a regional saying or slang expression that is not widely known.
To help me understand what you're looking for, please provide more context:
* Where did you hear this phrase?
* What was the situation surrounding its use?
* What language do you think it might be from?
With more information, I might be able to help you figure out the origin of "malinak lay labi."