Dfk

The internet slang term “Dfk” stands for “Don’t f***ing know.” It is used to express that someone does not have knowledge or information about a certain topic.

Examples:
1. I asked my friend what time the party starts, but he replied, “Dfk, ask someone else.”
2. Person A: “Do you know who won the game last night?”
Person B: “No idea, Dfk.”