一言为定 (yī yán wéi dìng) — One word makes it decided
Translating to 'one word makes it decided,' this term is used to seal an agreement or promise, often humorously binding friends to a commitment.
Example Usage
我们下午三点去看电影，一言为定。
We will go to the movies at 3 PM; it's a deal.
Cultural Context
Commonly used in friendships to create plans and commitments in a light-hearted way.
Category: love-friends