* A misspelling: Perhaps you meant a similar-sounding word like "pakilimutin" (Filipino for "forget") or "pakalilimutin" (also Filipino, meaning "to make someone forget").
* A regional dialect word: It might be a term specific to a certain region or community within the Philippines.
* A made-up word: It's possible the word is entirely fictional or part of a specific context (like a story or game).
To help me understand what you mean, please provide more context:
* What language do you think "pakalilimiin" is from?
* Where did you encounter this word?
* What was the sentence or situation where you saw it?
With more information, I can help you decipher the meaning of this word.