Why is it called Fat Tuesday?

Why is it called Fat Tuesday?

Mardi Gras is French for "Fat Tuesday", reflecting the practice of the last night of eating rich, fatty foods before the ritual Lenten sacrifices and fasting of the Lenten season.

What happens on Fat Tuesday in New Orleans?

Every year, the people of New Orleans celebrate Mardi Gras, which is French for "Fat Tuesday." This holiday is the day before Ash Wednesday, and it begins a season of fasting, called Lent, for many Christians leading up to Easter Sunday. … Today, Mardi Gras season in New Orleans is a time of merry-making and festivity.