" What is it?' Stephanie whispered.
'That, my dear Valkyrie, is what we call a monster.'
She looked at Skulduggery. 'You don't know what it is, do you?'
'I told you what it is, it's a horrible monster. Now shut up before it comes over here and eats us. "

― Derek Landy , Skulduggery Pleasant (Skulduggery Pleasant, #1)