the boy who cried wolf?

best answer
The Boy Who Cried Wolf is one of Aesops Fables numbered 210 in the Perry Index. 1 From it is derived the English idiom to cry wolf defined as to give a false alarm in e Brewers Dictionary of Phrase and Fable 2 and glossed by the Oxford English Dictionary as meaning to make false claims with the result that subsequent true claims are disbelieved.