work your socks off

work (one's) socks 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 socks off at the gym! Sally and Jim work their socks off when we hold our consumer conference each year. I don't know what I'd do without them!
See also: off, sock, work
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

work your socks off

INFORMAL
If you work your socks off, you work extremely hard. They worked their socks off to make the business succeed. Note: You can use this expression with many other verbs, especially verbs related to performing such as dance, act and play. In each case, it means `a lot' or `very well'. I danced my socks off last night. Capper is currently playing his socks off for Sheffield Wednesday.
See also: off, sock, work
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012
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References in periodicals archive ?
"All you can do is work your socks off, which I am doing, to make sure I can get back into the side to help us push for a top-six spot."
Cotterill has no problem with boos
That is always the most dangerous mindset for a team to have - you have to work your socks off every week and Everton usually grasp that concept better than anybody in the Premier League.
Moyes right to blast flops
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