英和和英

発音

形容詞

balls-out (not comparable)

1. (US, idiomatic, slang) Extreme; extremely great.
   • 1976, CBer's Handy Atlas/Dictionary, page 9, column 2:

     He's making a balls-out run for Motor City by nightfall.

   • 2025 April 26, Jo Ellison, “Make America Pregnant Again”, in FT Weekend (Life & Arts section), London: The Financial Times Ltd., →ISSN, →OCLC, page 20:

     When you're popping babies via multiple partners, the “harem drama” is intense. As one strand of the pronatalist orthodoxy, [Elon] Musk's is very much a balls-out approach.

副詞

balls-out (not comparable)

1. Descriptive of the use of a centrifugal governor at maximum speed, corresponding to full throttle.
2. (US, idiomatic, slang) With great abandon.
3. (US, idiomatic, slang) At the fastest possible speed.

参考

• balls to the wall, a synonymous term whose proposed etymologic connection to this one has been challenged

アナグラム

• out balls, all bouts