a second
A time measurement that’s so short it’s basically a lie.
"A second is like the time it takes to say ‘a second’ and then forget about it.", said the person who’s not paying attention.
"A second is when you say it’s short, but it’s actually longer than you thought.", said the person who’s wrong.
"A second is when you think it’s short, but it’s actually long enough to be annoying.", said the person who’s right."