The term "forked up" is essentially an urban slang word that generally means messed up, ruined, or broken. In this phrase, "forked" represents two directions or paths, indicating confusion, while "up" suggests a failed state or level. The antonyms for "forked up" could be tidy, organized, or put together, in the sense of a well-crafted plan or a neat and orderly appearance. Other possibilities might include terms like efficient, streamlined or straightforward, indicating an absence of confusion, difficulty or complexity. When used in reference to a meal, "forked up" could mean poorly cooked or unappetizing, while the antonyms may include tasty or delicious.