someone's butt off
/ˈsʌmwʌnz bʌt ɒf/
to work very hard or put in great effort
“He worked his butt off to finish the project.”Add to my deck
/ˈsʌmwʌnz bʌt ɒf/
to work very hard or put in great effort
“He worked his butt off to finish the project.”Add to my deck