head down, bum up en · ADV
Pronunciation
- (Australia) audio
Etymology
From an assumed position of strenuous work. Compare nose to the grindstone.
Meanings
-
(UK, not-comparable, slang, vulgar) Hard at work; preparing oneself to work hard.
Hadn't heard a thing. Hard at work, head down, bum up.
2007 April 6, Gold Coast Bulletin, "Call of Sea Sirens"