There are several “zombie bodybuilder” jokes. “Newspaper Headline: ZOMBIE BODYBUILDER DOES THE DEADLIFT” was printed in the book Funny Shaped Balls: The Biggest Book of Sporting Jokes Ever (2009) by Jonathan Swan.
   
“Q: What’s a zombie bodybuilder’s favorite exercise?  A. The deadlift” was posted on Twitter by Challenger Nutrition on October 30, 2014. “Did you hear how the zombie bodybuilder hurt his back? He was dead lifting” was posted on Reddit—Dadjokes on October 19, 2020.
 
Zombies usually want brains, or, as they say it, “BRAAAAAAINS!” “What’s the zombie bodybuilder hungry for? GAAAIIIIINNNNSSSSSS!!!” was posted on Twitter by Brett Andrews on December 20, 2014. “What does a zombie bodybuilder crave? GAAAAAAAIIINNNS! #BadJokeFriday” was posted on Twitter by Big Poppa S. Pumpkins on January 26, 2018.
       
“Pallbearers are technically dead lifters” and “What’s the mortician’s favorite workout?”/“Deadlift” are related deadlifting jokes.
   
       
Wikipedia: Deadlift
The deadlift is a weight training exercise in which a loaded barbell or bar is lifted off the ground to the level of the hips, torso perpendicular to the floor, before being placed back on the ground. It is one of the three powerlifting exercises, along with the squat and bench press.
   
Google Books 
Funny Shaped Balls:
The Biggest Book of Sporting Jokes Ever
By Jonathan Swan
London, UK: Ebury Books
2009
Pg. 29:
Newspaper Headline:
ZOMBIE BODYBUILDER DOES THE DEADLIFT.
   
Twitter
You, in the bushes.
@youinthebushes
Replying to @megdryden
@megdryden Newspaper Headline: ZOMBIE BODYBUILDER DOES THE DEADLIFT…
11:28 PM · Oct 14, 2009·Twitter Web Client
   
Twitter
Dane Fletcher
@DaneFletcher
#BREAKINGNEWS ZOMBIE BODYBUILDER DOES THE DEADLIFT :D
3:34 PM · Apr 13, 2010·Ping.fm
   
Twitter
Challenger Nutrition
@CHALLENGERNUTR
Q: What’s a zombie bodybuilder’s favorite exercise? 
A. The deadlift.
http://challengersnutrition.com… http://fb.me/6YlfeJTIG
2:00 PM · Oct 30, 2014·Facebook
   
Twitter
Brett Andrews
@TeamAGNQ
What’s the zombie bodybuilder hungry for?
GAAAIIIIINNNNSSSSSS!!!
#WhyITribe #vilife #sunsout #gunsout
9:12 AM · Dec 20, 2014·Facebook
   
Twitter
Brett Andrews
@TeamAGNQ
What is a zombie bodybuilder after?
GAAAIIIIINNNNSSSS!
#fitnesshumor #WhyITribe
4:00 PM · Dec 20, 2014·Facebook
   
Twitter
JACOB! GRAB A BRUSH AND PUT A LITTLE MAKEUP!!
@Dang_it_Jacob
“GAAAAAAAAIIINNSSSS!!” -  Zombie Bodybuilder
11:57 AM · Apr 14, 2017·Twitter for Android
   
Twitter
Trent Winfield
@ThisisTrenton
What does a zombie bodybuilder say?
GAAAAAIINNS!
10:12 AM · Oct 31, 2017 from Havelock, NC·Twitter for Android
   
Twitter
Big Poppa S. Pumpkins
@JaimsVanDerBeek
What does a zombie bodybuilder crave? GAAAAAAAIIINNNS! #BadJokeFriday
@999KISW
7:45 PM · Jan 26, 2018·Twitter for Android
   
Twitter
Tommy Tung
@tommytungwriter
Replying to @charliejane
And if that zombie bodybuilder earns money by driving people around: DEADLYFTER
12:06 AM · Aug 1, 2018·Twitter for iPhone
 
Reddit—Dadjokes
Posted by u/35mmPirate October 19, 2020
Did you hear how the zombie bodybuilder hurt his back?
He was dead lifting.
COMMENTS
sparkplug420
Gaaaiiiiiinnnnnzzzzzz
   
Twitter
Michael C. Potter
@MichaelCPotter
Did you hear how the zombie bodybuilder hurt his back?
He was deadlifting.
GIF
12:58 PM · Oct 19, 2020·Twitter for iPhone