telling
that would be telling that would be divulging confidential information. informal
2000Imogen Edwards-JonesMy Canapé Hell 'Are you propositioning me?' I say, attempting to look provocative in my Devonshire home-knit and Angora Dutch cap. 'Now that would be telling,' he smiles.
there's no telling it's impossible to know what has happened or will happen.
you're telling me! used to emphasize that you are already well aware of something or in complete agreement with a statement. informal