It's a reference to Dana Scully in the tv show The X Files. It's when someone tries to use every exuse before the truth, to get out of something, or stick up for somebody or something.
If you get caught cheating on your bf/gf and you try to make up every possible excuse you can think of, your bf/gf might reply: "Don't Scully me."
by Emma April 21, 2005
Fantasy - “I got 'butt naked' with two girls last night”
Fact – “I slept in the same house as two girls last night”
Fact – “I slept in the same house as two girls last night”
by emma September 07, 2004
by Emma October 28, 2004
by Emma March 27, 2005
by Emma November 18, 2004
by emma December 17, 2003
Emma's and Hunter's definition of a dean.
by Emma February 16, 2003