work (one's) tail off

(redirected from working his tail off)

work (one's) tail off

To work really hard (on or at something). I know you thought it was just a silly New Year's resolution, but I've been working my tail off at the gym! Sally and Jim work their tails off when we hold our user conference—I don't know what I'd do without them!
See also: off, tail, work

work one's tail off

 and work one's buns off; work one's ass off; work one's butt off
Inf. Fig. to work very hard. (Use caution with butt.) I worked my tail off to get done on time. You spend half your life working your butt off—and for what?
See also: off, tail, work
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