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Meaning of head down, bum up | Babel Free

Adverb CEFR C2

Definitions

Hard at work; preparing oneself to work hard.

UK, not-comparable, slang

Examples

“Hadn't heard a thing. Hard at work, head down, bum up.”

CEFR level

C2

Mastery
This word is part of the CEFR C2 vocabulary — mastery level.

See also

head first head on head over ears head over heels head to foot head to head