"hey man "hey" *pulls out knife* "holy shit man, thats a bfk you got there" "hehehe" *commence stabbing*"
big fucking knife  a knife that is larger than normal and often presented in public to the surprise of others
""hey man "hey" *pulls out knife* "holy shit man, thats a bfk you got there" "hehehe" *commence stabbing*"" What is the definition of "bfk"?