I don’t believe you! (4,2,7)
(Other definitions for tell me another that I've seen before include "Expression of disbelief" , "Come off it!" , "what a child could say after a bedtime story" , "I'm not convinced" , "Do you expect me to believe that?" .)
(Other definitions for liar that I've seen before include "one trying to sell pork pies" , "man of fiction?" , "Tale-teller" , "Dissembler" , "Phoney" .)
(Other definitions for my hat that I've seen before include "Out of respect I might remove this" , "I refuse to believe" , "nonsense" , "Exclamation of surprise" , "Old-fashioned exclamation" .)