“Two zombies were at a graduation party. One asked, ‘How was the grad you ate?’”

“Graduate” is sometimes written as “grad u ate” or “grad you ate.” “What movie was based on the memoirs of a college cannibal? A: The Grad u ate”—a pun on the movie The Graduate (1967)—was posted on the website PunGents.com on December 3, 2011.
 
“A bunch of zombies attacked a graduation party and gobbled up all the seniors. Afterward one zombie said to another, ‘How was the grad you ate?’” was posted on Reddit—Puns on August 31, 2017.
   
     
PunGents.com
Pun for 12/03/11
What movie was based on the memoirs of a college cannibal? A: The Grad u ate.
Topic: cannibalism, cannibals, movies
 
Twitter
The Pun Gents‏
@pungents
What movie was based on the memoirs of a college cannibal? A: The Grad u ate. http://bit.ly/vgHKfo
12:06 AM - 3 Dec 2011
 
Reddit—AskReddit
What is your favorite bad joke? (self.AskReddit)
submitted June 15, 2016 by I_say_bad_jokes
(...)
homevp
Th high school held a party for the graduating class. A bunch of zombies broke into the party and gobbled up all the seniors. When it was over one zombie said to another, “How was the grad you ate?”
 
Twitter
Jokes of the day‏
@jokesofthedaydn
What movie was based on the memoirs of a college cannibal? A: The Grad u ate.
12:10 AM - 9 Dec 2016
 
Reddit—Puns
A bunch of zombies attacked a graduation party… (self.puns)
submitted August 31, 2017 by homevp
and gobbled up all the seniors. Afterward one zombie said to another, “How was the grad you ate?”