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

https://lemmy.world/post/23358584

TIL going "balls to the walls" originates from aviation lingo - Lemmy.World

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

Not to be confused of course with “balls deep”, which is exactly what it sounds like
Mounting yourself on those balls at the wall?