Wha-hay guroo wha-hay guroo wha-hay guroo wha-hay jeeo
Wahe Guru- Great Beyond description is the experience of God's Wisdom Wahe Jio- Great Beyond Description is the experience of God Blessing the Soul
This is a mantra of ecstasy. Wahe Guru is said to not only be the experience of the divine, but also impart the experience of the divine. Jio is said to impart an affectionate relationship to/with the divine.
Yogi Bhajan said that this mantra means "clear perception of what is important to preserve" and that it "links the essence of your purpose to the greater minds and souls in the cosmos."