fib I. \ˈfib\noun (-s) Etymology: perhaps by shortening & alteration from fable : a trivial falsehood : an innocuous lie < a child who tells fibs > II. intransitive verb (fibbed ; fibbed ; fibbing ; fibs) : to tell a fib Synonyms:see lie III. verb (fibbed ; fibbed ; fibbing ; fibs) Etymology: origin unknown Britain: beat, pummel < fibbing him on the ear — David Garnett >