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