From Longman Dictionary of Contemporary Englishplease yourselfplease yourselfspokenFREE TO DO WHAT YOU WANT used when telling someone to do whatever they like, even though really you think they are making the wrong choice ‘I don’t think I’ll go.’ ‘Okay, please yourself.’ → please
Examples from the Corpus
please yourself• They must also want to please each other and help each other to find fulfilment, as well as looking for personal satisfaction.• This is the first time in I-don't-know-how-many-years I can just please myself!• Until I get there, though, I can please myself.• We play not to please ourselves, but the listeners.• Oh, she would please herself, all right.• She was going home to her flat to please herself for a few weeks.• "I don't think I'll go." "Oh, well, please yourself. I'm going anyway."• There was no foreman to watch over him and he could please himself when he made his walk around the yard. 