Vanila is a term to denote Straight.

Meaning sex is normal no kinkiness.

For example vanila sex would be misionary position lights off only on saturdays, Once a month.

It also is used to descripe a comunity. There is the BDSM comunity that this forum is a part of. Some what hidden from the Vanila world.

Your mother and father would be part of the vanila comunity. Would you want them to know of this sites existance? Or your Boss at work that would be the vanila side of your life. Every one has a kinky and a vanila side.

I work with kids driving a school bus. I definatly would not want them to know about my alter ego. That would not go over very well. And would probly get me fired.

That is my vanila side of my life.