work your socks off

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