feel like a million
To feel exceptionally attractive or in very robust health. Wow, I feel like a million in this new suit! I guess fluids and rest were all I needed to beat that cold. I'm already feeling like a million compared to yesterday!
feel like a million (dollars)
Fig. to feel well and healthy, both physically and mentally. A quick swim in the morning makes me feel like a million dollars. What a beautiful day! It makes you feel like a million.