The line comes from the Russian dub of The Fast and the Furious: Tokyo Drift, released in 2006 as the third film in the Fast and Furious series. In the story the Mona Lisa nickname belongs to a Nissan Silvia drift car valued for its engine and condition, so the warning is about protecting the machine, not artwork. Russian speaking fans later lifted the short dub line from the film and reused it on soundboards and in edits as a standalone reaction for any cherished car, bike, gadget or collectible that someone might scratch.
About this sound
Russian 'Don't damage the Mona Lisa' quote from The Fast and the Furious: Tokyo Drift, used when someone is protecting a prized car or object.
This is a short Russian dubbed line meaning do not damage the Mona Lisa, delivered as a serious warning before someone gets behind the wheel. In the film the name does not refer to the painting but to a prized drift car treated like a work of art. The tone is calm but firm, which makes the clip funny when it is placed over everyday objects people are being overly careful with. It works as a quick protective reaction, turning a minor risk of a scratch or dent into a dramatic moment.