An individual (usually a woman) that does clerical work and provides administrative support to his/her co-workers. Usually over-worked and under-paid.
Dumbass: "Hey Jill, when you have a moment can you fax this for me? I'm an idiot and I don't know how."
by Anonymous September 9, 2003
A modern day name for a "secretary".
Jane: "What does she do?"

Barry: "She's an administrative assistant."

Jane: "Oh."
by Jonas the great September 30, 2010