to know which side one's bread is buttered on
to know which side one's bread is buttered on
01
to know the exact way to treat others or how to act so as to get what one desires
![to [know] which side {one's} bread is buttered on definition and meaning](https://cdn.langeek.co/photo/44674/original/?type=jpeg "to [know] which side {one's} bread is buttered on definition and meaning")
Idiom
Informal
Exempel
She knows which side her bread is buttered on, so she always supports the boss's ideas.
He's a smart businessman; he knows which side his bread is buttered on.
