It may have been my imagination but I'm sure at the game against Brum a few weeks back, their keeper was gesturing behind his back for the North Stand to increase the volume during the "wooooooooaaaaaaahhhhhhh" part of the chant before kicking the ball. Fair play to him if so for joining in.
It's funny but all the chants that have been mentioned today (this one, "whoooo?", "shooot" etc) are all the ones that my missus absolutely loves when I drag her to the footy. If they stopped, and with the departure of Adam El-Abd ("look at the size of his thighs!") I doubt I would be able to...