떼쓰다 tte-sseu-da

Usually applied to children crying on the floor of a toy store. But adults do it too—when someone illogically whines for special treatment despite knowing the rules, they are '떼쓰다'. It's exhausting to deal with.

◆ parent-child — This is the classic soundtrack of Saturday afternoons at the Lotte Mart toy aisle. While dictionaries might lazily translate it as 'to persist' or 'to insist,' *떼쓰다* specifically evokes the full child-parent theatrical production: flat out on the floor, red-faced, kicking, and screaming until the exhausted parent caves or drags them away. Learners often mistake it for a simple refusal or stubbornness, but a grown adult at a business meeting doesn't *떼쓰다*—unless you want to mock them for acting like a toddler.

◆ adult-stubbornness — While textbooks peg this strictly to toddlers throwing tantrums in the supermarket, adults use it constantly to weaponize cuteness or call out childish stubbornness among peers. When your boyfriend insists on eating late-night ramen despite his diet, or a coworker refuses to compromise on a group project, calling it 떼쓰다 reframes their logic as toddler-level petulance. Learners usually miss that applying this to adults is a sharp social jab—it instantly strips the target of their adult dignity while keeping the atmosphere semi-playful.