4D:4th Dimensional, someone who seems to be living in their own world (or dimension) and tends to act strange or weird.
5 Year Curse:a wide spread superstition that popular groups will face serious hardships or disbandment in their fifth year after debuting.
Aegyo: Cute actions, can be done by both girls and boys. It’s usually a body gesture or/paired with making your voice as cute as you can.
Aigoo: ‘Oh no!’ or ‘Oh dear!’ It’s mostly used by older Koreans though.
Ahjumma: an older female
Ahjusshi: an older male
Antis: people who aren’t fans and go out of their way to criticize and attack the artists they don’t like
Bias: Who you like the most
Black Ocean: form of protest where people wear black or don’t use light sticks
Chocolate Abs: Really defined abs.
Comeback:When an idol group comes out with a new song after a hiatus
Debut: When a new idol group comes out.
Eye Smile:When the eyes of a celebrity form the shape of a smile as they actually smile.
Fanchants: Chants fans say/scream out during live performances for support.
FanWars: When fans of an idol group are fighting against fans of another idol group.
Flower Boy: A very attractive guy who has slightly feminine features
Hallyu Wave: The spread of Korean music outside of Korea
Hoobae: person who is your professional junior (Ex: 2NE1 is Big Bangs hoobae since 2NE1 debuted after Big Bang)
Honey Thighs: Girls with amazing ‘perfect’ thighs
Hwaiting/Fighting: It’s used kind of like a cheer for support and encouragement. It means “Good luck!”
Hyung: What a male calls an older male as respect.
Jjang!: The best
Kamsahamnida: Thank you
Maknae: the youngest member of the group
MV: music video
Netizens: members of the internet and forum communities
Noona: used by males to refer to older females/sisters
Oppa: brother/sweetie used by a woman for an older male
Sarang/Saranghae/Saranghaeyo: Love or I love you
Sasaengs/Sassaengs:crazy stalkers posing as fans
Selca:self taken picture
Stans:Fans who are loyal (sometimes overly so)
Sunbae:person who is your professional senior (Ex: Big Bang is 2NE1′s sunbae since Big Bang debuted before 2NE1)
Unnie: term used by females to refer to older females/sisters
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