Whenever you see something in all caps, you can either come to the conclusion that the person is yelling, or it's an acronym. WILD, in this case is Wake Induced Lucid Dream. Here's some links that might help ya out.

Gestalt Alteration's WILD Tutorial
Seeker's WILD Tutorial
List of Acronyms

Thanks for joining DV, Sinar, and I hope you enjoy your stay! Feel free to ask any questions you may have.

-Amé