Keywords: please oneself, please yourself, suit yourself
As a Verb or Adjective
1. To do what you want to do without thinking too much of what other people want to do. English = please oneself.
1. Used alone to indicate to the person you are talking to that you do not mind or care whether the person does a particular thing or not. English = 'Please yourself', 'It's up to you!', 'It's your decision.'
2. Used alone with a slight disapproving facial expression to indicate to the person you are talking to that you will not say or do anything more to stop them doing something even though you do not approve. English = 'Suit yourself!'