the worm turns

US /ðə wɜrm tɜrnz/
UK /ðə wɜrm tɜrnz/
"the worm turns" picture
1.

used to say that a person or group that has been weak or submissive suddenly becomes strong and powerful, often turning the tables on their oppressors

:
After years of being exploited, the worm turns and the workers are now demanding fair wages.
The underdog team finally won the championship; truly, the worm turns.