work one’s buns off

work (one's) buns off

To work really hard (on or at something). ("Buns" is a slang term for the buttocks.) I know you thought it was just a silly New Year's resolution, but I've been working my buns off at the gym! Sally and Jim work their buns off when we hold our consumer conference each year. I don't know what I'd do without them!

See also: buns, off, work

Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

work one’s buns off

verb

See work one’s tail off

See also: buns, off, work

McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.