cramp someone's style
US /kræmp ˈsʌm.wʌnz staɪl/
UK /kræmp ˈsʌm.wʌnz staɪl/

1.
to restrict someone's freedom of action or expression
:
•
I didn't want to bring my little brother because he always cramps my style.
•
Having to follow strict rules really cramped her style at the party.