A day in which you are not at your normal level of performance i.e. can't draw as well, get killed more in video games ect
Wow, everything I've done today has sucked money nuts. I must be having a bad off day!
by Mikiras September 21, 2008
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An off day, also referred to as a bad day (and not to be confused with a day off), is a day where you're...not yourself. Maybe you've been a bit down on your luck as of late. Maybe your parents are reminiscing to their friends about that awful/embarrassing thing you did when you were four years old that you've been trying to forget for at least a decade or two. Whatever it is, you're probably going to be very sullen until your life starts showing improvement.
My mate suffers from depression, and he has both good days and off days. One day he'll be just fine -- maybe even a little cheerful if something good has happened -- and then the next day, he'll be very sullen and down in the dumps; when this happens, there's absolutely nothing that can make the metaphorical rain cloud above his head disappear. You just have to wait until the off day runs its course.
by Someone who kinda exists July 8, 2021
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A day that youself,or your friends take off from work/school(which day off from school is more likely)and devote that day to jacking off.
Bob: "Hey did you see where chris was today?"
Peter: "You didnt hear, He is having a jack off day."
Bob: "Boy I need one of those soon."
by Jack mehoff12312 September 20, 2007
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Jack Off day is on the 5th August each day.

Originally coined when an employee added to his calendar that 4th of August was 'Jack Off' day.

Jack off day is a special day of each year that brings joy and happiness to all that follow it. The real magic in Jack Off day is those who do not know about it wouldn't suspect a thing going on.

Followers of twitter tend to tweet with the tag:
So you know who they are...
Ben: Andy seems strangely normal today
Lloyd: Yeah I believe he's celebrating something called Jack Off day
Ben: ...yeah, whatever that is
Andy: *inner joy*
by brightpearl August 5, 2010
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International fuck off day where no one talks to u or anyone all day and u can get away from all the annoying people 😁
Hi what day is it?
It’s international fuck off day so fuck off
by @45nelly October 15, 2019
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