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Sans' Whoopie Cushion

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The whoopie cushion fart sound Sans uses when you first meet him in Undertale, perfect for prank handshakes and awkward comedic reveals online.

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About this sound

The whoopie cushion fart sound Sans uses when you first meet him in Undertale, perfect for prank handshakes and awkward comedic reveals online.

This is the classic whoopie cushion gag from your first encounter with Sans in the Snowdin forest. After a tense build-up with a shadowy figure and a creaking bridge, Sans reaches out to shake your hand and the cushion hidden in his palm lets out a loud, deflating fart noise. The sound itself is a rubbery, drawn-out raspberry that instantly breaks the tension, turning a potentially scary introduction into a joke. It tells you everything about Sans in one moment: lazy, funny, and completely uninterested in being intimidating on purpose.

Pro tip

Place it right on the handshake or fist-bump frame and let the full deflate play out without music underneath. Pair it with a freeze frame on the other person's face, and avoid cutting it short or the prank timing falls flat.

How people use it

Drop it when someone sits down for an instant prank laugh.
Use it under handshake scenes to deflate serious introductions.
Add it to gaming edits whenever a character reveals a joke.
Play it after awkward silences in Discord calls for laughs.

More information

Undertale was released by Toby Fox in 2015, and Sans quickly became its most quoted character thanks to his puns and laid-back attitude. This moment appears minutes into the game, when his whoopie cushion handshake subverts the horror-style build-up and sets the tone for his humour. The clip spread through YouTube edits, streams and soundboards as a universal prank fart, often compared to a wet fart sound for gross-out jokes. It remains popular because the joke needs no context, anyone recognises the cushion noise instantly.

FAQ

What is the Sans whoopie cushion sound?

The sound effect that plays when Sans shakes your hand during your first meeting in Undertale. He hides a whoopie cushion in his hand, so the handshake ends with a loud fart noise instead of a scare.

Where does Sans use the whoopie cushion in Undertale?

You hear it in Snowdin Forest right after crossing the bridge built by Papyrus. Sans steps out of the shadows, asks you to turn around and shake his hand, and the cushion goes off as part of his introduction joke.

How can I use this sound in videos?

Creators drop it at the exact moment of a handshake, high five, or someone sitting down. Let the full raspberry play over a reaction shot for the best timing, and keep background music low so the deflate is clear.