A "Douglas" is someone who always roots for the best teams (According to who is doing best at the time).
I.E. Lakers, Cavs, Celtics, Magic, Yankees, Colts, Patriots, etc.
Here are a few examples of real life "Douglasness" in the New York area.
"BYE BYE JETS!!!! fuckinng suckkerrrrss!! LETS GO COLTS!!!"
"lOl now all you JETS FANS can STFU they LOST so live with it i been sayin it all week, jets cant beat the Colts Mark Sanchez aint no Tom Brady lOl hahahahahahahahahahaha"
"New York City, we say GO LAKERS!"