I approached them from behind, stealthily and playfully landing a firm smack on their behinds. The sound echoed slightly, and they both let out a surprised and pained yelp. "Aah! Umm, ouch!" Elizabeth exclaimed, her body tensing up.
Carolina, likewise, gasped, "Hey! That stung!" Both of them squeezed their legs together more tightly, their faces flushing with a mix of embarrassment and arousal.
"Yeah, just like that," I teased, a mischievous grin spreading across my face. "You've got to be careful not to squirt as you walk. We don't want any accidents now, do we?"
Elizabeth turned to me, her cheeks still rosy, and complained, "You could have warned us! That really hurt." Carolina chimed in, rubbing her behind, "Yeah, and it's not like we can just walk normally after that. You're enjoying this, aren't you?"