* It's a misspelling: There might be a similar word you're trying to recall.
* It's a regional term: It could be a word used in a specific dialect or region, perhaps a slang term or local name for something.
* It's a made-up word: Perhaps it's part of a fictional story or a joke.
To help me understand what you're looking for, could you please provide more context?
For example, you could tell me:
* Where did you hear or see this word?
* What was the context of the word?
* What do you think it might mean?
With more information, I can help you figure out what "tukmalanga" might be.