" You need a safe word.” Her eyes lit up. Honest to fucking God, lit up as I suggested that. “Can it be utterly ridiculous?” she asked, biting her bottom lip. “No,” I growled. “Can it be cock-munching-honey-badger?” “No.” “Super-dicks-unite?” “No.” “Hail-Saint-Lord-of-spanking?” “How many times do you want to end up being punished?” I demanded as her eyes danced with amusement. “As "

― Caroline Peckham , Kings of Lockdown (Brutal Boys of Everlake Prep, #2)