know which side (one's) bread is buttered (on)(redirected from know which side their bread is buttered on)
know which side (one's) bread is buttered (on)
To know how to best ensure one's success. I know which side my bread is buttered on, so I was very nice to the recruiter and promptly sent her a thank you card after our interview.
know which side one's bread is buttered on
Prov. to be aware of where your money comes from; to be loyal to the person or thing that will benefit you the most. Wife: Please be sure not to upset Grandma. You know we can't do without the money she sends us every month. Husband: Don't worry. I know which side my bread is buttered on.
know which side your bread is buttered
If you know which side your bread is buttered, you know what to do or who to please in order to put yourself in the best possible situation. Donald was a man who knew with utter clarity which side his bread was buttered. I'm in no doubt which side my bread is buttered for the present.