Actually, this reminds me of an episode of "Murphy Brown", where a new person was hired, and they were trying to determine if he was gay or not.
They were asking about what tv shows he would like, or magazines he would read...and Corky (the ditzy blonde) says:
"What you need to do is tell him he's got something on his shoe....if he looks like this:"she twists her leg in front of her, and looks at the sole of her shoe
"He's straight....if he looks like this:"she bends her knee so her foot is behind her, and she looks over her shoulder
"he's gay!"So the guy comes in, and they all start asking him questions and the answers give no clue. So then Corky tells him he's got somethign on his shoe, and he twists his leg in front, and then bends his knee and checks from behind.
lmao