From the submitter:
I was shocked to find out....
We were too. We didn't even think it was biologically possible. But if Siri says it, it must be true.
Video contains naughty language.
Tumblr user jmonster66 was trying out his 4S and Siri became a little impatient. I would too, if everyone was asking me about the weather every five seconds.
The user didn't say it was a hack, but he also didn't say it wasn't a hack, so you'll just have to enjoy this without context.