Short for "Kissing up, Kicking Down". Usually refers to middle managers who will kiss up to their management and kick down people who report to them as they are afraid that they will overshadow them and steal their job. A variation of crooked.
He was a "kukd" guy.
by Mahesh Vallampati February 27, 2008
Short for Knocked Up, Knocked Down. Getting pregnant and then getting knocked down unexpectedly through miscarriage, stillbirth, or infant death.
by uzbekmurf July 12, 2008