A obvious joke about eating horse meat is that it gives you “the trots” (diarrhea).
   
“Will eating horse meat give you the trots?” was posted on Twitter by Yahoo! AnswersBOT on October 24, 2009. “DOES EATING HORSE MEAT GIVE U THE ‘TROTS’!” was posted on Twitter by Brian Peel on December 31, 2009. “What do you get after eating horse? ............... The trots #joke #horsemeat” was posted on Twitter by Erin on February 18, 2013.
   
   
Wiktionary: trots
Noun
trots pl (plural only)
1. (slang) Diarrhoea/diarrhea.
2. (Australia, New Zealand, US, informal, with “the”) A trotting race meet; harness racing.
             
Twitter
Yahoo! AnswersBOT
@YahQuestions
[ Polls & Surveys ] Open Question : Will eating horse meat give you the trots? What does the latest Gallop poll… http://bit.ly/1BTEnI
4:33 AM · Oct 24, 2009·Twitter Web Client
 
Twitter
Brian Peel
@YUMMYBUM50
RT @Flipbooks: France’s debate on horsemeat (TIME) http://su.pr/2twEaM #France cc @ParisBuFF[DOES EATING HORSE MEAT GIVE U THE ‘TROTS’!! 😊
1:41 AM · Dec 31, 2009·Twitter Web Client
   
Twitter
Jan O’Hara, Author
@jan_ohara
Replying to @MLGoodell
@ZenithRising “Whimsicality”? Gesundheit. I ate horsemeat once in Russia. (Came disguised in a soup, and I was a kid, ok?) Gave me the trots
12:59 PM · Mar 11, 2010·Twitter Web Client
   
Twitter
Michael Goodell
@MLGoodell
Replying to @jan_ohara
@Tartitude Horsemeat gave you the trots? Might be time to rein in the puns, eh?
10:08 AM · Mar 12, 2010·Twitter Web Client
   
Twitter
Rob M
@robdotcom71
If you eat horsemeat will it give you the trots?
3:24 AM · Jul 17, 2010·TweetDeck
   
Twitter
tendy
@tenderstems
I can’t eat Horse meat, it gives me the trots. #IllGetMeCoat
1:27 PM · Jan 15, 2011·Twitter Web Client
   
Twitter
Kevin Sheets
@kcs1962
Does eating horse meat give you the trots?
1:52 PM · Jun 19, 2012·Twitter for iPhone
 
Twitter
Bob Kostic
@causticbob
“Horsemeat found in beef burgers on sale in UK and Ireland”
I think i’ve eaten some, i’ve had the trots all day.
4:57 PM · Jan 15, 2013·TweetDeck
   
Twitter
Just call me Les
@lesmartin7
Can eating horse meat give you the trots?
7:12 AM · Jan 27, 2013·Twitter Web Client
 
Twitter
CjDuffy
@VonDuffstein
Lots of people now wondering if eating horsemeat will give you the trots…
9:10 AM · Feb 8, 2013·Twitter for Android
 
Twitter
Erin
@ladyvip87
What do you get after eating horse? ............... The trots
#joke #horsemeat
5:15 PM · Feb 18, 2013·Twitter for iPad
     
Twitter
Dan J
@Djlond
Tried eating horsemeat. Never again.
It’s given me the trots.
4:15 AM · Nov 25, 2016·Twitter for iPhone
   
Twitter
Galaxy Gold
@Galaxygoldradio
Tried eating horsemeat. Never again. Gave me the trots.
10:05 AM · Nov 25, 2016·Facebook
 
Twitter
Carol Rosenthal
@carolrosenthal8
Replying to @MJMcKean
I think regular horsemeat might give you the trots…
3:14 PM · Mar 2, 2020·Twitter for iPhone
   
Twitter
Anne Reynolds
@CandaerReynolds
Warning:  Don’t eat horse meat.  It may give you the trots.
7:12 PM · Mar 16, 2020·Twitter Web App
 
Reddit—Oneliners
Posted by u/VERBERD November 4, 2020
I unknowingly ate horse meat once….gave me the trots.