the person you show up to the door of a party/function/get together with.
yeah ashley was my door date, but im gonna see what ass i can get tonight.
by locals only November 11, 2006
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noun; when you hold the door for someone you are attracted to, who's going to the same place as you, they become your door-date. Often done as someone you are attracted to is entering a party so one does not appear to have come alone.
Bret held the door for his co-worker, Sophie.

"Yo, Bret, you come here with Sophie?"
"Yeah, I did the old door-date."
by Door-Dater January 10, 2010
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