The phrase Oleg Soset is Russian slang built around the name Oleg and a verb meaning sucks, and online the clip circulates simply as the sound of someone sucking a cucumber. No clear original video, creator or year is documented for this recording, so its history is mainly in reposts on soundboards and in short Russian-language meme edits. It survives because the joke needs no setup, a familiar vegetable, an exaggerated wet noise and a named target are enough for viewers to get the prank instantly.
About this sound
A short cucumber sucking sound effect from the Oleg Soset meme, used in Russian prank videos and funny edits for a wet, gross-out reaction moment.
This is a close, wet sucking sound made on a cucumber, recorded over about four seconds with clear mouth pops and slurps. The clip is tied to the name Oleg Soset and is used less as a realistic eating effect and more as a crude joke punchline. Played without context it sounds deliberately gross and a little absurd, which is why editors drop it over an innocent bite, sip or kiss. The humour comes from the exaggeration, the intimate microphone detail makes an ordinary action sound far more suggestive and ridiculous than it should.