The look of a character's face and body when subjected to high amounts of acceleration/G-forces or traveling at high speed.

Their faces will usually look squashed, have flapping cheeks and optionally they might have clenched teeth and bulging eyes
In some cases, the character's body may even be flattened, squashed or deformed:
https://tvtropes.org/pmwiki/pmwiki.php/Main/CentrifugalFarce

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