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}, {taleteller},

{talebearer}, {blabbermouth}]