(noun) A humorous unit of time representing the interval between tweeting
something and receiving a community note indicating that you are
wrong.
One Sacks equals six hours.
(plural noun) Used to describe multiple intervals of the same, often indicating prolonged periods of being corrected online.
"I tweeted my hot take on the movie last night and
got corrected in just half a Sacks!"
"It took 2 Sacks for someone to point out my
mistake in that thread. I need to fact-
check more often!"