JND n. in psychophysics, the minimum difference between two inputs which is detectable by a human. Etymological Note: just noticeable difference (source: Double-Tongued Dictionary)
Further reading
Next time you stub your toe, try letting loose with a Bandoozer! Sarah from Elk Rapids, Michigan, says her grandparents invented a fake swear word bandoozer to give kids the thrill of naughtiness without any real harm. Bandoozer doesn’t appear in...
If you work in tech support, you might use snarky slang for problems caused by computer users themselves. There’s the acronym PEBCAK, for example, which stands for Problem Exists Between Chair and Keyboard. And: a lush poem about the sea inspired by...