>>1979473Yeah it means "Someone I want to support", there's nothing in it about there only being one. Obviously if you have a dozen oshis people will question just how much support you really give each of them but it's only because of /a/utists thinking that oshi is just waifu for idols that we get all the there's only one retardation.
The term most of the larpers at /jp/ actually mean when they say oshi is actually ガチ恋 or 最推し.