Slang, explained by the people who actually use it.

It is an abbreviation of "suddenly pops out."

"Tone" + "a total mess": when your makeup (usually the wrong foundation shade) ruins your skin tone.

기쁘거나 신날 때 외치는 감탄사로 '앗싸', '오예'와 비슷하게 쓰인다. 유튜브 영상과 숏폼 챌린지를 타고 1020 세대에 널리 퍼졌다.

"Freeze-dry" — wanting to preserve someone or something exactly as it is now, forever. Popularized by posts like "I want to freeze-dry my mom so she never ages."

A "hexagon person" — someone who scores high in every area of life (looks, education, job, wealth, family, personality), like a maxed-out stat chart in a video game.

"Mom's friend's son" — used for someone impossibly accomplished compared to you. The female form is "eomchindal" (mom's friend's daughter); there's also "bu-chinnam" (wife's friend's husband).

It is an abbreviation of "suddenly pops out."

"Spilled gukbap on my chest" — so moved that your heart feels hot; used for touching stories or when your favorite idol does something wonderful.