Teachers must endure a minefield of different germs and Karen Foster Archivesdiseases every time they enter their classroom. Given the flurry of possible illnesses floating around school, teachers drill proper manners and bodily fluid etiquette into their students at a young age.

Thankfully, this little kid with a snotty nose was well trained in booger courtesy, and informed his teacher with a short note that he accidentally dropped a snot right on his test.

A colleague of mine got this.

"Do not touch," the note warns. "Is snot it fell from my nose."

Hey, at least the kid got a 91 on the spelling test.

Bonus: Corgi butts in slow motion

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[h/t:Reddit]