The fictional “unicorn” animal is not “a single piece of corn,” but the joke has been printed on many images. “So is a unicorn like one single piece of corn?” was posted on Twitter on June 11, 2009. “Unicorn (noun) - A single piece of corn” was posted on the website Grouchy Rabbit on May 20, 2011.
   
“A single piece of corn is technically a unicorn” was posted on Reddit—Showerthoughts on June 22, 2016.
   
“A single kernel of corn is a unicorn. Haha. Geddit?  #cheesy #lame” was posted on Twitter by Ashley Brasel on June 4, 2015. “A single kernel of corn is a unicorn” was posted on Reddit—Showerthoughts on January 8, 2022.
 
“What is the most mythical vegetable?”/“A unicorn” is a related riddle.
   
     
Twitter
Lani Rosales‏
@laniar
“so is a unicorn like one single piece of corn?” -our overly clever 11.999 year old LOL
11:18 PM - 11 Jun 2009
 
Twitter
zacnesh‏
@zacnesh
what is a unicorn?  a single piece of corn on your plate
1:37 AM - 1 May 2010
 
Twitter
Mark Leggett 🙋🏻‍♂️‏
@markleggett
A unicorn is a single piece of corn.
7:32 AM - 15 Jul 2010
 
Twitter
courtney bieber‏
@supersexyjustin
unicorn=single piece of corn duh lol [Like it? http://bit.ly/d8TcZI ]
9:28 PM - 25 Sep 2010
 
Twitter
Mycroft Poppins‏
@OsamaBinLemon
Unicorns do exist. A unicorn = a single piece of corn. I’m amazed right now. http://tumblr.com/x191dzjgnf
7:38 PM - 30 Jan 2011
   
Grouchy Rabbit (May 20, 2011)   
Unicorn (noun) - A single piece of corn.
 
Twitter
Julia Fryman‏
@julia_frygirl
Definition: Unicorn (noun) - A single piece of corn. http://e.ht/At
11:30 PM - 20 May 2011
   
Twitter
10,000 Tony Starks‏
@The_Daily_Net
Could a single piece of corn technically be considered a ‘uni-corn’?
2:24 PM - 26 Mar 2012
 
Reddit—ShittyAskScience
If you have a single piece of corn, does that make it a unicorn? (self.shittyaskscience)
submitted November 9, 2012 by eyeb4e
   
Reddit—Showerthoughts
Posted by u/IN_U_Endo September 13, 2014
Every ear of corn is a unicorn
Uni means one and corn means corn 😛
     
Twitter
Ashley Brasel
@ImAshleyBrasel
A single kernel of corn is a unicorn. Haha. Geddit?  #cheesy #lame
3:48 AM · Jun 4, 2015·Twitter for Android
 
Reddit—Showerthoughts
Posted by u/[deleted] September 1, 2015
An ear of corn is a unicorn
 
Reddit—Showerthoughts
A single piece of corn is technically a unicorn
submitted June 22, 2016 by hopperlocks
     
Reddit—Showerthoughts
Posted by u/Henzii June 24, 2016
A single piece of corn is technically a unicorn
 
Reddit—Showerthoughts
Posted by u/TheNoobLife November 21, 2016
A single piece of corn is technically a unicorn.
   
Twitter
Walt
@WalRuss18
Stoner though of the day: a single kernel of corn is a unicorn
5:05 PM · Mar 29, 2017·Twitter for Android
 
Reddit—Dadjokes
What do you call a single piece of corn? (self.dadjokes)
submitted May 12, 2017 by stupidsexyf1anders
A Unicorn.
 
Reddit—Showerthoughts
A single piece of corn is a unicorn
submitted August 9, 2017 by Low_Score
 
Reddit—Showerthoughts
Posted by u/JohnGoodmanNSFW January 8, 2022
A single kernel of corn is a unicorn.