“What do you call a cow with a stutter that makes chocolate milk?”/“Cacao.”

“Cacao: a way to say cow with a stutter” was posted on Twitter on December 24, 2011. A riddle form of this was posted on Reddit—Jokes on September 21, 2017:
   
Q: What do you call a cow with a stutter that makes chocolate milk?
A: Cacao.
   
       
Twitter 
Goose Honk‏
@GooseHonk
Hubby said, “Cacao!” and I said, “Did you just call me a cow?” and he said, “Did I STUTTER?” #stutteringjokesarefewandfarbetween
10:21 PM - 28 Jan 2011
 
Twitter
Harrison‏
@Sleestak_
cacao: a way to say cow with a stutter.
7:52 PM - 24 Dec 2011
 
Twitter
Becks B ‏
@Becks929B
Ca-cao, a cow with a stutter - Chris
7:07 AM - 4 Nov 2014
 
Twitter
Brian M Rosen‏
@musicvstheater
Cooking tip… Cacao is really just cow with a stutter.
5:10 PM - 12 Apr 2015
   
Twitter
Cody Clarke‏
@codyclarke
CACAO FACT: everyone who says the word ‘cacao’ sounds like they’re saying the word ‘cow’ and they have a stutter
3:09 AM - 14 Nov 2015
 
Reddit—Jokes
What do you call a cow with a stutter that makes chocolate milk?
submitted September 21, 2017 by aznflavin
Cacao
 
Twitter
Triston Stein‏
@SteinTriston
What do you call a cow with a stutter that makes chocolate milk?
12:51 AM - 21 Sep 2017