SINGAPORE—A Secondary 3 Chemistry lesson took an unexpected turn Tuesday when local student Kyan Lam, 15, successfully overturned his teacher’s initial washroom rejection by citing his compact, “fun-sized” stature and proportionally smaller bladder.

The ordeal began when Lam politely requested to use the toilet five minutes into class, only for his teacher, Mr. Tang, to immediately shut him down with a well-rehearsed scientifically sound rebuttal.

“You just had recess,” Mr. Tang declared, arms crossed. “The human body takes approximately 9 to 10 hours to produce two cups of urine. If you peed during break, you’d only need to pee during dinner time. There is absolutely no biological basis for you to need the toilet now. Do you just want a vacation or do you not have chemistry with my Chemistry lesson?”

For a moment, silence fell over the classroom. Then, in an unexpected twist, classmate Jason Ng, 15, leaned over and delivered the ultimate counterargument.

“But ‘cher, Kyan is fun-sized.”

A wave of realization swept through the room as all eyes turned to Lam, who is as tall as a baby pygmy Bornean elephant. Lam, after a brief moment of deep contemplation, nodded vigorously.

“Yes! My bladder is mini! You need a micrometer to measure its dimensions!” Lam exclaimed, his voice full of newfound self-awareness. “I pee on a faster production cycle! You must honor my lived experience, sir!”

Faced with an airtight defense rooted in both human biology and the enshrined principles of diversity and inclusivity, Mr. Tang hesitated, sighed deeply and reluctantly granted Lam a temporary leave of absence to relieve himself.

At press time, Lam was seen striding triumphantly to the restroom, while classmates whispered about the historic legal precedent he had just set for all “small tank” individuals in the local education system.