work one's tail off and work one's buns off; work one's butt off
Theme: WORK
tr. 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?
(redirected from work one's butt off)
work (one's) butt 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 butt off at the gym!Sally and Jim work their butts off when we hold our user conference—I don't know what I'd do without them!