Sociofaker

One who fakes in his/her social profile by pretending to be really cool and constantly posts hipster images of himself/herself in order to make it seem that he/she is upto cool stuff but in reality they aren't actually doing anything.

Chick #1: Hey have you seen Emily, she's such a bloody sociofaker!
Chick #2: Yeah totally! She acts all cool on Insta but she hangs out with all the nerds at school!
Chick#1: what a loser!
Chick#2: Ugh.. I can't believe I follow that bitch