A homie hipster is someone (in almost every case a person) who are a member of a homie-group and does everything the other homies doesn't and stop doing thing that the other homies do.
example 1. Everyone plays League of legend's
Homie hipster stops playing it or starts to play HoN/DotA
example 2. Homies: Lets play some counter-strike!
Homie-hipster: No.. i've stoped playing that piece of shiii game.