People usually don’t die from drinking milk, but a popular riddle is:
 
Q: How did the blonde die drinking milk?
A: The cow fell on top of her.
 
The joke was posted on the newsgroup rec.humor on January 24, 1992. “Blonde” is sometimes replaced with other groups of people perceived to be dumb.
 
           
Google Groups: rec.humor
Re-Complied Blonde Jokes
Chris Boraski
1/24/92
The Complete Set Of Blonde Jokes (242)
(...)
132. Q:  How did the blonde die drinking milk?
A:  The cow fell on her.
 
Google Groups: rec.humor
New Improved Blonde Joke List
.(JavaScript must be enabled to view this email address)
2/27/92
(...)
Q:  How did the blonde die drinking milk?
A:  The cow fell on her.
 
Google Groups: comp.sys.mac.advocacy
IBM USERS (An incomplete listing)
Peter H. Thomas
8/10/93
(...)
Q:  How did the IBM user die drinking milk?
A:  The cow fell on them.
       
Google Groups: ec.humor.d
need polack jokes please
Dan Smith
2/24/95
(...)
How did the Polack die drinking milk?
Cow fell on him.
 
Google Groups: rec.humor
joke
Brian Salter-Townshend
2/13/97
HOW DID THE KERRY MAN DIE DRINKING MILK?
A
ANS:THE COW FELL ON TOP OF HIM.
   
Google Books
Unbelievably Gross Jokes, Volume XXVII
By Julius Alvin
New York, NY: Kensington Publishing Corporation
1998
Pg. 91:
How did the blonde die drinking milk?
She was sucking so hard the cow fell on her.
 
6 May 2000, The Times of India (New Delhi, India), “HA!,” Bombay Times, pg. A4, col. 4:
How did the blonde die drinking milk?
The cow fell on her.
   
Google Books
The Jumbo Book of Blonde Jokes
By Ed Sullivan
Bramhall, Cheshire: Cool Publications
2004
Pg. 41:
How did the blonde die drinking milk?
The cow fell on her.
 
Twitter
Dave Malby‏
@DaveMalby
Q: How did the blonde die drinking milk?
A: The cow fell on top of her
#blond
2:26 PM - 8 Dec 2008
       
Google Books
The Ultimate Book of Blonde, Brunette, and Redhead Jokes
By James Buffington
Berkeley, CA: Ulysses Press
2010
Pg. 54:
How did the blonde die drinking milk?
The cow fell on her.
 
YouTube
Jokes - How did the blonde die drinking milk? The cow fell on her.
jokesus
Published on Oct 5, 2015
Joke :
How did the blonde die drinking milk? The cow fell on her.
     
Google Books
Blonde Jokes
By Joe King
Marine Publishing
2016
Pg. ?:
How did the blonde die drinking milk?
The cow fell on her.
 
Twitter
Lucky Score‏
@LuckyScoreNet
Q: How did the blonde
die drinking
milk?
A: The cow fell on her.
#Joke from #BlondeJokes in #Jokes, #Humor and #Satire
10:18 PM - 17 Dec 2017