Articles with "WWJD?" are worn by Christians to promote and/or reflect the idea that in times of conflict or moral dilemna, one should speculate (based on the teachings and behaviors described in the Gospels) what Jesus would probably have done in the given situation.
A better interpretation of WWJD might be Walk With Jesus Daily.
“The Lord is with you when you are with him. If you seek him, he will be found by you” (2 Chronicles 15:2)
DJWW (WWJD Backwards) - Devil Just Won't Win