Enter The Dragon Stall

(My sister and I are at the mall’s bathroom. The flush is activated not by pressing a button, but by stepping on a small pressure-sensitive spot on the floor. While washing my hands, I hear my sister’s voice behind me.)

Sister: “Hi-YAH!”

(You can hear her stomp on the floor. My sister steps out of the stall, meeting me as I am staring at her.)

Sister: “What? You really expected me to just step on it like a normal person?”