of (one's) dreams
That one most desires or has hoped for. I never expected to get married again, but meeting the man of my dreams completely changed my mind. I can't turn down this offer—it's the job of my dreams!
of your dreams
COMMON If someone or something is the person or thing of your dreams, they are the best you can imagine. Maybe, just maybe, the man of your dreams will walk through that door and into your life tonight. It was in Tunisia that they saw the house of their dreams, the most beautiful dwelling imaginable.