telltale
       adj : disclosing unintentionally; "a telling smile"; "a telltale
             panel of lights"; "a telltale patch of oil on the water
             marked where the boat went down" [syn: revealing, telling,
              telltale(a)]
       n : someone who gossips indiscreetly [syn: tattletale, tattler,
            taleteller, talebearer, blabbermouth]