[Moonman62]

According to the articles I can find, a skid is yaw in a turn caused by applying too much down rudder. It’s the opposite of a slip.

http://www.empire-aviation.com/flight-instructors/john-e-mclain/slips-and-skids-an-explanation-of-the-terms-is-necessary.html

[jonascord]

So! That’s what my instructor was trying to tell me!