I call them “why did you buy me that’s?”
Greeting contraband and welcome to the Straight Dope! It’s the general practice to include a link to the original article so people know what you’re referring to. Here it is!
http://www.straightdope.com/classics/a2_243a.html
(Though actually, we had a thread on this a couple of weeks ago, maybe contraband’s comment could be tacked on to it, and this post released gently into the ether.)
Other thread: Shaking up old arguments - Cecil's Columns/Staff Reports - Straight Dope Message Board