User-contributed definitions of Doris Day Parking from Urban Dictionary:

2. If you watch old Doris Day movies, she has the most amazing parking luck and timing. Ms. Day was one of the first ladies to drive solo in movies and she had the uncanny knack of pulling up in front of the bank, butcher, office, etc. and getting the spot right in front of the door.

3. Any parking spot that seems as though it was meant to be, as evidenced by the spot's convenience to one's destination as well as the smoothness with which one can park their car in said spot. Derived from the sort of parking found by Doris Day in any Doris Day movie.

There you have it.