fib

fib (http://definr.com/fib)

     n : a trivial lie; "he told a fib about eating his spinach";
         "how can I stop my child from telling stories?" [syn: story,
          tale, tarradiddle, taradiddle]
     v : tell a relatively insignificant lie; "Fibbing is not
         acceptable, even if you don't call it lying"