A typically stereotyped group of people that loves a certain thing very much, such as the Sonic The Hedgehog, FNaF, Anime, etc. fanbases. Yes there is quite some trash in there but there are mostly pleasant people in most cases.
Type A: "I like this show. I should get more involved with the fanbase."
Type B: "oH My GoD MiNeCrAfT CrEePeRs NeEd To Be HoT AnImE GiRlS"
Type C: "Meh."