vso

Initialism of verb–subject–object [word order]: a language is VSO if a typical sentence starts with a verb, followed by the subject, followed by the object.

Initialism of violin-shaped object, referring to a violin that is of very low quality.

Even a damaged violin or a so-called V.S.O. — a “violin-shaped object” which looks and feels like a violin but, owing to damning structural issues, cannot be played to any satisfaction—can run higher than a hundred dollars […] When my friend first messaged me a video of Thackray hacking a V.S.O. into pieces, I whimpered.

Initialism of Voluntary Service Overseas.