1)A made up piece of shit holiday steeped in all the deepest traditions of Sweetest Day or Secretary's Day.
2)A holiday for African Americans that no African American observes or understands.
Bob: "I plan to celebrate Kwanzaa this year!"
Larry: "That's swell! Let's run out to the store for Kwanzaa cards and decorations!"
Bob: "Alas, we cannot, for nobody carries Kwanzaa merchandise because nobody cares about or celebrates it, even the people it is made for!"
Larry: "Too bad. I guess Christmas will have to be enough this year."