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1.
The official name for fantatics of Katharine Mcphee, the runner-up on the 5th season of American Idol. It is a combination of the word Fan and Katharine's last name, Mcphee.
1) I became a Mcphan after Katharine sang "God Bless The Child" in her audition.

2) The Mcphan's deffinetly have a severe case of Mcpheever.
by Cherisha August 28, 2006
 
2.
A fan of Katharine McPhee, who was the runner-up on Season 5 of American Idol.
All the McPhans voted for Katharine millions of times throughout the 5th season of American Idol to get her to the finale.
by Shiersta August 28, 2006