political slang used in place of other more sensitive words like kill, rape, annihilate, bomb-the-shit-out-of, wage-war or decimate because it pretends it is acting in defense from another country that actually poses no real threat.
Dubya: I dont like saddam cuz he tried to keel' ma daddy. Lets...
Rice: Uh Mr. president.. (shakes her head).
Dubya: Right...I geet it (winks and thumbs up) lets
pre-emptive strike his ass!