Unknown origins. My manager at work just started saying it one day.
It looks like you could use some sexin' it up!
by Brittany December 29, 2004
What our "beloved" **cough** Prime minister seems to enjoy doing to dossiers. Manages to get away with it though, and uses MI5 to make sure anyone who accuses him of doing it will be in a bad way
"Well, er, George, How can we "sex up" this dossier on Iraq?"
by Minardi February 02, 2005