Just go for it and tell us how stupid you are, not that we don't know yet, but obvious is never obvious enough unless there's more obvious to it. Look I made a stupid joke attempt myself, that shall serve as an example of what not to post.
This is what I used and it should be more accurate if you all used the same thing. http://www.free-iqtest.net/
I do know that most of you will get 200+ , this site is filled with geniuses after all. Try to be honest. If I am 30 points above you for example it means absolutely nothing. I still fail at life, get it?
Oh, fun fact: http://www.underconsideration.com/speakup/archives/IQ_chart.jpg
used to be popular