“What do you call a pig with no clothes on?”/“Streaky bacon.”

“Streaky bacon” has nothing to do with streaking, but there’s a riddle:
 
Q: What do you call a pig with no clothes on?
A: Streaky bacon.
 
The joke has been cited in print since at least 2003.
 
           
12 January 2003, Sunday Herald-Sun (Melbourne, Australia), “Laugh Out Loud,” pg. F6:
Q.What do you call a pig with no clothes on?
A.Streaky bacon.
- Craig, 7, Altona
 
Google Groups: tamilcommunity
Jokes - assorted.
kraman
10/1/07
(...)
What do you call a pig with no clothes on?
Streaky bacon!
 
Twitter
Obi Weiner Kenobi‏
@ObiWeinerKenobi
What do you call a pig with no clothes on?
Streaky bacon!
12:43 PM - 22 May 2009
 
Twitter
Marley The Dog‏
@marleyterrier
#hamfest Q: What do you call a pig with no clothes on? A: Streaky bacon!
8:16 AM - 21 Jul 2009
 
Google Books
The Mammoth Book of Really Silly Jokes:
Humour for the whole family
Edited by Geoff Tibballs
London, UK Constable & Robinson
2011
Pg. ?:
What do you call a pig with no clothes on?
Streaky bacon.
 
Google Books
Horrid Henry’s Jumbo Joke Book
By Francesca Simon
Illustrated by Tony Ross
London, UK: Hachette Children’s Group
2015
Pg. ?:
What do you call a pig with no clothes on?
Streaky bacon.
     
Twitter
Shit Jokes‏
@ShitJokes
What do you call a pig with no clothes on?
Streaky bacon.
2:54 PM - 9 Sep 2017