Living a life based on what will look good on your facebook profile. Often, it is the result of facebook envy and a key element of the facebook paradox.
Sachin's got an awesome facebook life -- even though he hates everything French, he's living in Paris this summer so that people think he's cool when they read his profile and see his pictures on Facebook.
1. highly prudish and high-strung person (usu. white female) from upper-middle class suburbs who can't stay out and have a good time because she has to go home and 'pack' or 'knit' or other such assinine 'obligations'
2. also, someone (usu. white female) who cannot refrain from delivering minute and unjustified critism, i.e. nit-pick
Guy: Why're you going home so early... it's Friday night!
Knitpacker: Yeah... but I have to go home and organize my linen closet.