national cum in a pizza day is on September 22, or on September 11, depending on my mood.
*this definition is not related to National cum on a pizza day*
guy 1: “yo bro happy national cum in a pizza day! i just ordered some Little Caesars

guy 2: “LETS FUCKING GOOO
by salty___ September 21, 2022
Get the national cum in a pizza day mug.