There is no confirmed original source for this particular huuuuuuuuuuuu recording, as the title comes from a user-uploaded soundboard with no artist or show attached. Clips like this typically circulate because the extended vocal is instantly reusable: a single held sound that can stand in for groaning, wailing or giving up. Editors pick it up for reaction videos, fail compilations and short-form memes where a quick burst of exaggerated emotion lands better than dialogue, which keeps simple vocal sounds like this in rotation.
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A drawn-out huuuuuuuuuuuu vocal sound lasting about five seconds, often used as a dramatic sigh, groan or comedic reaction in memes and edits.
This clip is a single sustained huuuuuuuuuuuu vocalization that stretches for about five seconds without interruption. It begins softly, swells in the middle as the voice holds the note, then trails off with a tired, deflated quality. The tone sits somewhere between a groan, a sigh and a mournful howl, making it deliberately overdramatic. Heard on its own it feels funny because of how long the sound is held, and in an edit it works like an audible eye-roll, stretching a moment of disappointment, exhaustion or disbelief until it becomes comedy.