amigayornot?

> You are 51% GAY!
>
> That's gayer than average for someone of your gender and supposed orientation. The typical straight guy is only 39% gay!

(the test forces you to choose either gay or straight at the start - they advise bisexuals to pick whichever you feel like today)

> people less gay than you (94%)
> people just as gay as you (0%)
> people gayer than you (5%)
>
> Based on the 4,549,056 submissions before you.

http://www.thespark.com/gaytest/