willfulcode

noun
UK /ˈwɪlfʊl kəʊd/
US /ˈwɪlfəl koʊd/

A set of secret rules that someone makes on purpose to get their own way.

The game only worked because the players followed the willfulcode hidden in the rulebook.


OTHER MEANINGS

2. A stubborn way of writing computer instructions that refuses to change.

The programmer's willfulcode kept breaking because it ignored every update.

3. A personal set of rules someone follows no matter what others say.

Her willfulcode meant she always finished her homework before dinner, even on weekends.

4. A deliberate plan kept secret from other people.

The club members shared a willfulcode so only they knew the meeting spot.