The phrase plays on Sonic, the fast blue hedgehog from the long running game series, and on dawg as slang for a close friend or dog. Online, the clip circulates as a reaction sound alongside other goofy ahh sounds, shared in short edits where someone loses a pet, an item or a teammate. Its humour comes from treating that loss with mock serious grief, so it keeps being reused for new fails and disappearances rather than one specific scene or moment.
关于此声音
The Sonic lost his dawg sound is a meme voice clip about him losing his dog, used for dramatic, funny reactions to loss, fails and bad luck in edits.
This clip uses the phrase Sonic lost his dawg as an over the top reaction to something going missing or going wrong. The delivery is dramatic and mournful, treating a small loss like a major tragedy, which is exactly what makes it funny. The contrast between the serious tone and the silly slang word dawg gives editors a ready made punchline. It lands best over a character looking shocked, searching for something, or realising a plan has failed, letting the audio do the exaggerated grieving for them.