balls-out adverb 3adjective 1 adverb3 •(US, slang) With great abandon. •Descriptive of the use of a centrifugal governor at maximum speed, corresponding to full throttle. •(US, slang) At the fastest possible speed. adjective1 •(US, slang) Extreme; extremely great.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. — 2025
