YFK means: YFK is for Younster Fun Kill. It is when players of lower levels are killed by high-leveled players. This is because they: 1. They’re bored. 2. A brother or sister has been PMing them to kill their lower lvl brother or sibling. This could be because they want something from the lower level or revenge. 3. Sometimes, high levels can make you look like a douchebag. 4. High level items may need to be replenished, such as pots, arrows and food. 5. High-ranking people are annoyed by lower levels because they might loot or FCO. 6. Random. (in Community Dictionary, added by Elisa Bird)

What else does YFK mean?

  • This is a joke. (in Community Dictionary, added by Roselyn Salinas)