nakuuu
nakuuu is a Filipino interjection used to express a range of emotions, often negative ones such as frustration, exasperation, or mild dismay. It can also be used to convey surprise, disappointment, or even a touch of helplessness. The exact nuance of "nakuuu" depends heavily on the context in which it is uttered and the speaker's tone of voice. It is a common expression in informal Filipino conversation and is generally considered a mild expletive, not intended to cause offense.
The word itself is an onomatopoeic representation of a sigh or a groan, reflecting the feeling of