The name shiko shiko is Japanese onomatopoeia for a repeated rubbing or stroking motion, and the clip is catalogued under the Japanese title shinario, meaning scenario. No original anime, game or film source is confirmed for this upload, so its history is mainly online. Short soundboard clips like this spread through meme pages, chat groups and video edits, where a recognisable noise can carry a whole joke without dialogue. It remains popular because the implication is clear across languages, even for listeners who do not speak Japanese at all.
About this sound
The shiko shiko sound effect is a Japanese rubbing sound used as a meme audio for awkward, suggestive jokes and reaction edits in short videos.
Shinario, known online by the shiko shiko name, is a short Japanese sound clip built around a repetitive rubbing noise. The rhythm is fast, squeaky and instantly recognisable, which is why listeners understand the joke even without any picture. It is not dialogue or music, just a suggestive effect played for comic embarrassment. Creators use it to imply something private is happening off screen, turning an ordinary scene into an awkward punchline that lands in a few seconds and needs no explanation for the audience to get the innuendo.