Funniness Taken the Wrong Way

So today, during choir... the girls got a few breaks while the guys were singing. I'm a soprano, and some of my friends, Faith and Meredith, sits across the room as altos. So during that time I was looking through the row of guys and making faces at them. Well, not just faces. I was winking, waving, wiggling my eyebrows, sticking my tongue out, etc.
To my horror, when I got home and checked my Facebook, a guy in the same row as Faith, Meredith and I thought that I was making faces at HIM. Oh dear.. I was so embarrassed, and I blushed despite the fact that this conversation was over the internet. Luckily, he believed me readily.
So as my warning to you; think of every possible consequence before you wiggle your eyebrows at someone as a joke. Or don't, and have something to write on your blog about and tell all of your friends.