Wuwuzela? 
What is woo?
Five feet of heaven in a ponytail?
You must be thinking of Lucy Liu.
It’s the James Randi Educational Foundation’s word of choice for what they’re up against.
It is, alas, missing Cm* from the Extraterrestrial group.
*Cattle mutes
How do you describe a woman in a unfitted dress trying to cast a magic spell to make her sex unresistable? The woo woo in the momo doing hoo hoo voodoo.
Not to poo-poo the woo-fu that you do so well, but…
the “unfitted dress” is a mu-mu, which fits the rhyme scheme perfectly!
Woo is the Chinese pig farmer in Deadwood, S.D. with a sideline in running mortuary services for the very poor and very unfortunate.