What is who dat chant lyrics?

The "Who Dat" chant is a popular cheer used by fans of the New Orleans Saints football team. The chant originated in the early 1980s and its lyrics have evolved over time. The chorus typically goes:

"Who dat? Who dat? Who dat say dey gonna beat dem Saints? Who dat? Who dat? Who dat say dey gonna beat dem Saints?"

The rest of the lyrics vary, but often involve references to specific players, the city of New Orleans, and the team's history and achievements. The chant has become a staple of Saints games and is often heard throughout the city during football season.