Fun term

o-ring

Real engineering/mechanical seal with slang double meaning

1. (slang) sphincter 2. (normal) a rubbery gasket used to seal a connection between two pipes. The o-ring is squished between two flanges, forming an air-tight seal.

Don't push too hard or you'll bust your o-ring.
View on Urban Dictionary Written by Khashishi on Urban Dictionary

Quoted from Urban Dictionary under their terms, with attribution. Definitions there are written by the public and are not edited by us.

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