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 11, 2006
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