What does the idiom "feel like a million" mean?

Question:

Idioms:

Idioms are a type of figurative language, since they are not meant to be interpreted literally and often use metaphors, allusions, or similes to communicate an idea. A few examples of idioms include 'ready to roll', 'look for the silver lining', and 'woke up on the wrong side of the bed.'

Answer and Explanation: