New York minute
     n : a very short time (as the time it takes the eye blink or the
         heart to beat); "if I had the chance I'd do it in a
         flash" [syn: {blink of an eye}, {flash}, {heartbeat}, {instant},
          {jiffy}, {split second}, {trice}, {twinkling}, {wink}]
Source: WordNet® 2.0