Here's what I was going to do:
Angel: *says "I hid your top hat in the trash. You'll never find it because its trash day" or "i hid your top hat in the trash. It'll be funny when you find it because its trash day" in spanish*
Bill: say what now?
Angel: *says "Decipher it, cipher. It'll be funny when you do~ trust me~" in Spanish*
Bill: WHAT IS SHE SAYING?!
Angel: *says "Sigh. He'll never decipher it/get it... Oh well" in spanish*
Bill: HHNNNNNNNNNNN

BUT ITS RUINED THANKS TO GOOGLE

EFF YOU GOOGLE TRANSLATOR