get (one's) (own) way
To get or have what one wants; to have things done according to one's personal preference or desires. If Tommy doesn't get his way, he'll start having a tantrum that could last all night. Samantha always has to get her own way when it comes to dividing responsibilities for group assignments.
get one's way
Also, get or have one's own way . Be allowed to or make others do as one wishes. For example, Two-year-olds often scream until they get their own way, or All right, I give in-have it your own way. [Late 1500s]