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In some senses, balls-out is marked as slang, US, idiomatic. Watch for register when choosing this word.
VERB + BALLS-OUT
making
BALLS-OUT + NOUN
motor
adj
Extreme; extremely great.
He's making a balls-out run for Motor City by nightfall.
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.
adv
Descriptive of the use of a centrifugal governor at maximum speed, corresponding to full throttle.
With great abandon.
At the fastest possible speed.
He's making a balls-out run for Motor City by nightfall.
WiktionaryWhen 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.
Wiktionaryi Register
In some senses, balls-out is marked as slang, US, idiomatic. Watch for register when choosing this word.