“Bootslapping: to express political displeasure by throwing footwear.”
Source: Macintyre, Ben. "Who Puts the Boot Into the Shoe Throwers?" The Times Online, February 5, 2009.
http://www.timesonline.co.uk/tol/comment/columnists/ben_macintyre/article5663234.ece
What you think your coworker says is coming out of your blouse when he tries to inform you that the flap of your new boots are not staying down as they should.