The whole class has become one great quivering diaphragm pressed downwards with absurd force by deadly laughter. Glowing cheeks throb with the hot fever of stifled laughter, and veins swell in all foreheads. The boys double over their desks. Silence; but underneath, there lurks the ghastly spectre of a possible explosion and silence is provocatively singing in our ears.”
Frigyes Karinthy: We Split Our Sides with Laughing – Hungarian writer, poet, translator
You can find the entire short story here: https://mek.oszk.hu/00700/00770/00770.htm#bm9