Idiom Definition:
Your browser does not support the audio element.
"to pull up your socks"
to improve your performance or behavior because your performance or behavior is not good enough
Synonyms:
advance, amend, augment, better, boost, correct, develop, elevate, enhance, gain, increase, lift, mend, progress, promote, raise, rally, recover, rectify, recuperate, revamp, revise, rise, sharpen, update, upgrade
This person is literally
pulling up their sock. - - - - ->