TIL going "balls to the walls" originates from aviation lingo - eviltoast

I never knew and got curious and looked it up. I guess it makes more sense than slamming your testicals against the wall.

  • Naich@lemmings.world
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    3 days ago

    Going “balls out” refers to governors on steam engines which used centrifugal force on a pair of balls to regulate the speed of the engine. At full speed the balls were out at the maximum.