1 definition by myk-e
Thinking you won something only to find out that you came in second or lost to someone else. Derived from Kathryn McPhee losing to Taylor Hicks on American Idol.
Kristin: "Who was voted Prom Queen last night?"
Amanda: "Tara, and Nikki totally acted like she would be Queen all year."
Kristin: "Ha. Nikki deserves the McLetdown."
Amanda: "Tara, and Nikki totally acted like she would be Queen all year."
Kristin: "Ha. Nikki deserves the McLetdown."
by myk-e June 2, 2006