my way or the highway
US /maɪ weɪ ɔr ðə ˈhaɪˌweɪ/
UK /maɪ weɪ ɔr ðə ˈhaɪˌweɪ/

1.
used to say that someone must accept your way of doing things or leave
:
•
In this company, it's my way or the highway.
•
He told his team, 'It's my way or the highway' when they disagreed with his plan.