* A misspelling or typo: It could be a mistake for a different word or acronym.
* An informal slang term: It might be used within a specific group or community and isn't widely understood.
* An abbreviation specific to a particular context: It could stand for something related to a certain subject, industry, or hobby.
To understand the meaning, you need more context.
Please provide more information, such as:
* Where did you see or hear "TTTKA"? (e.g., online forum, chat, text message)
* What was the topic of conversation?
* What were the words or phrases surrounding "TTTKA"?
With more context, I can help you decipher its meaning.