have one's way

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb idiomatic, of a person To obtain the circumstances one wishes for; to do what one wishes to do, or to have others do what one wishes them to do.
• verb idiomatic To achieve a desired or natural result.
• verb euphemistic, followed by with To have sexual intercourse with, especially without the consent of one's partner.