sock
bless your (or his/her/their) little cotton socks used as an expression of endearment. informal, chiefly British
knock (or blow) someone's socks off amaze or impress someone. informal
1991Barbara AndersonGirls High Years ago she saw a Hockney…the few lines which sketched the owlish face knocked her socks off.
1996Premiere Ray Liotta strikes perfect notes as Hill while Joe Pesci blows your socks off as sociopathic side-kick Tommy.
knock the socks off someone beat or surpass someone. informal
pull your socks up make an effort to improve your work, performance, or behaviour. informal
put a sock in it stop talking. British informal
sock it to someone attack someone vigorously or make a forceful impression on them in some other way. informal
1991Baseball Today Chicago socked it to the other teams in the American league.
- your socks off do something with great energy and enthusiasm. informal
2013Telegraph It's arguable that he was not there enough throughout their childhood-ironically, because he was working his socks off to give other people's children a helping hand.