memedics

From gaming's "main character / sub character." Refers to having dual identities, like one's work self (main) versus after-hours self (side).

The look, vibe, or identity a person aspires to embody. Used in phrases like "my chugumi is being someone who ___." Short-form videos comparing one's "chugumi" (aspiration) to "hyeonsilmi" (reality) also went viral.

Short for "insider" — someone who fits in easily and thrives socially. The opposite is assa, short for "outsider."

Short for "eoreo jugeodo aiseu americano" (freeze to death, still iced americano). Describes someone who drinks iced americano even in the dead of winter.