The video shows Lewis gently tapping on the car window, introducing himself, and handing the woman a pizza and wings.
Lewis and his teammates ate a meal together earlier in the day and had leftovers.
Lewis is a sophomore guard from St. Louis, Missouri. Last year, he made the Atlantic 10 Conference's All-Rookie Team.
At the time of this writing, the tweet has more than 2.1 million views.
College basketball player delivers food to woman living in car