First known usage: 1933; recent notable usage: Rick Perry
1. Expression typically expressing dismay or an apology, often at a mistake. 2. The sound of one of the biggest presidential debate gaffes ever.
Origin: Herman Cain
1. A mangled but intentional mispronunciation of one of central Asia's "-stan" countries, presumably Uzbekistan. 2. A way of illustrating to one's voting base that one's lack of depth on foreign affairs may indeed be a selling point.