Skip to main content
Dictionary
Store
Blog
World
Help
Advertise
Chat
System Status
Information Collection Notice
Trademark Concerns
reCAPTCHA Privacy
Terms of Service
reCAPTCHA Terms
Privacy Policy
Accessibility
Report a Bug
Data Request
Contact Us
Security
DMCA
© 1999–2026 Urban Dictionary ®
Mugs
Tees
Hoodies
Pro Customization
Create unique products with your own words and definitions
Preview
Personalize Your Design
Your Word
Your Definition
Stands for Head Down Bum Up (or Heads Down Bums Up, when referring to a group). Meaning: busy at work; hard at work; engrossed in something to the exclusion of other distractions – presumably by analogy to livestock feeding at a trough? Synonyms: Heads-down; up against it; having one's nose to the grindstone. Origin: unknown, apparently Australian.
Text fits
Save
Cancel