. Stands for Male Answer Syndrome. Used to describe a male know-it-all who doesn't really know-it-all. but also, a complete idiot, someone who tends to dish out inaccurate information on a regular basis - but with complete confidence and a touch of arrogance.
This is a method Spencer uses to turn on a girl. You start by nibbling her ear, then start to make out, then work your way down to tittyville, down to her stomach, then eat her out.
Person 1: How was your night with Gabby?
Person 2: I did the Spencer Slide, it works every time!