“The roadside farm sign said: ‘DUCK, EGGS’” (joke)

A “duck, eggs” joke was posted on Twitter by Fred Delicious on November 2, 2016:
   
[sees a sign outside a farm that says “duck, eggs”]
“huh. Why’d they put a comma after d…” [an egg smashes me square in the face]
   
“I was walking passed a farm and a sign said ‘Duck, eggs’. I thought, that’s an unnecessary comma. And then it hit me” was posted on Reddit—Jokes on July 27, 2019. “Stopped by a roadside farm where I saw a sign that said ‘DUCK, EGGS’. I was contemplating the position of the comma when it hit me” was posted on Reddit—Jokes and on Twitter by Uncle Jeff on July 29, 2020.
   
     
Twitter
Fred Delicious
@Fred_Delicious
[sees a sign outside a farm that says “duck, eggs”]
“huh. Why’d they put a comma after d…” [an egg smashes me square in the face]
3:55 PM · Nov 2, 2016·Twitter for iPhone
       
Reddit—Jokes
Posted by u/CYBERSson July 27, 2019
I was walking passed a farm and a sign said ‘Duck, eggs’.
I thought, that’s an unnecessary comma. And then it hit me.
Edit: Past* 
   
Twitter
Jonathan Connor
@JonathanConnor1
The other day I was walking past this farm that had a sign that said duck, eggs. I was about to say something about the unnecessary comma when I was hit by an egg!… EggCooking
12:11 PM · Jul 27, 2019·Twitter Web App
 
Twitter
Dad Jokes
@Dadsaysjokes
I was walking past a farm and a sign said ‘Duck, eggs’.
I thought: “That’s an unnecessary comma - and then it hit me.”
3:17 PM · Jul 27, 2019·Twitter for iPhone
 
Reddit—Dadjokes
Posted by u/DalinarxBlackthorn July 28, 2020
I was walking past a farm and a sign said: Duck, eggs.
I thought, that’s an unnecessary comma. Then it hit me.
   
Twitter
Dad Jokes
@Dadsaysjokes
I was walking past a farm and a sign said: “Duck, eggs!”
I thought: “That’s an unnecessary comma - then it hit me.”
4:40 PM · Feb 23, 2020·Twitter for iPhone
   
Reddit—Jokes
Posted by u/Niyi_M July 29, 2020
Stopped by a roadside farm where I saw a sign that said “DUCK, EGGS”.
I was contemplating the position of the comma when it hit me.
 
Twitter
Uncle Jeff
@PickleRudd
Stopped by a roadside farm where I saw a sign that said “DUCK, EGGS”.
I was contemplating the position of the comma when it hit me.
5:14 PM · Jul 29, 2020·Twitter for Android
 
LaffGaff
Duck Eggs
July 31, 2020 by laffgaff
I stopped by a roadside farm where I saw a sign that said “DUCK, EGGS”.
I was contemplating the position of the comma when it hit me.