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1.
when your doing your girl or somebody from behind and let your friend slip in and you run around and knock on the window and wave
The David Blane is when your doing your girl or somebody from behind and let your friend slip in and you run around and knock on the window and wave
by Bazdizzle June 27, 2010
 
2.
To completely disappear without a trace and reappear somewhere else at a random time.
I went to get Josh a drink but when I came back he totally David Blaned.
by Zedek August 27, 2009