Some people say 'vacila'. Some people say, 'vacilala'. I don't know. I do know that it's one of the very basic figures in casino style and doing rueda because the same foot patterns occur in many many other patterns even though it looks different because of what the arms are doing.
This is a good video to look at several times and remember later on. I do know that in Spanish it means 'check her out!'.
And don't forget! If you're one of the newbies in the group. Once you learn the very basics of moving and counting and connecting you really don't need to waste a lot of money on studio lessons. lessons are nice but it's an endless pit you can pour money down til the cows come home and still never have any fun or feel confident that you can dance.
Unless you just like the idea of high priced meet 'n greets where you get to hold people hands without asking, you can get all the patterns you'll ever need from lookinngon YouTube. And for casino style, specifically by looking at this site..... www.salsajunkies.com .
If you'll use it, this meetup group can be a tremendous asset. I can promise you that the biggest problem dancers have (especailly men dancers) in learning to dance and perfecting their skills is that they don't have somebody to dance with. Your Meetup group basically solves that problem.
Done! Gone! No more! But you gotta find the individuals within the group who think like that. Not everybody does. I do.