* Misremembering or misspelling the name. Could it be a different brand or model altogether?
* Referring to a specific lighter with a unique inscription or code. If so, please provide more context about where you saw it or any other details.
* Thinking of a code or cipher. The letters might represent something else entirely.
To help me understand your request better, please provide more details:
* Where did you see this "WEQTETJU Lighter"?
* What makes it unique or notable?
* Do you have any other information about it, such as a picture or a description?
Once I have more information, I can help you decipher the "WEQTETJU Lighter".