Where did this idea of Nintendo being the "party" console come from?

[Yreka]

My only problem with the Wii at parties is having 4 drunk asses swinging wii-motes at my HDTV. Maybe i'll put one in the kids family room.

 

[playstation3]

my favorite wii game is the donkey punch!

 

[SuperNaruto]

When it's on evite.. its a fricken party

http://www.evite.com/app/cms/ideas/wii