woo-woo
adj.— «When a friend suggested 10 years ago that Deb Oetken get a massage, she scoffed. “Yeah, right!” she thought to herself. “What kind of woo-woo stuff is that?”» —“Charity Event Rubs Donors the Right Way” by Julia McCord Omaha World-Herald (Neb.) July 22, 2001. (source: Double-Tongued Dictionary)