tnettenba
A non(sense)-word made famous on the British TV sitcom "The IT Crowd." (Series 4, episode 3.) Moss is playing Countdown (a British game show), and his nine letters on the board show: TNETTENBA. He claims all nine letters, and remarks that they are already in the correct order. When asked to use tnettenba in a sentence, he says...
Good morning, that's a nice tnettenba.