What is the full form of tyg?

There is no widely recognized full form for "TYG." It could be an acronym or abbreviation for something specific, but without more context, it's impossible to say for sure.

To figure out the full form, you'll need more information, such as:

* Where did you see "TYG"? (e.g., in a text message, online, a document, etc.)

* What is the context? (e.g., what is the topic being discussed, what is the purpose of the message?)

Once you have more information, you can try searching online or asking someone who might know.