from Wiktionary, Creative Commons Attribution/Share-Alike License
- adv. Full throttle; maximum speed.
- adv. Maximum effort or commitment.
Perhaps coined by pilots whose throttle levers had round, ball-like tops, and for whom putting the "balls to the wall" (the firewall of the aircraft) meant making the aircraft fly as quickly as possible. (Wiktionary)
Sorry, no example sentences found.
Wordnik is becoming a not-for-profit! Read our announcement here.