“Spooning leads to forking” is a jocular saying that has been printed on many gift items, such as posters, T-shirts and buttons. “Forking, an activity that tends to follow spooning” was cited in print in 2002.
   
“This came from my girlfriend’s t-shirt but it’s a great line… Spooning leads to Forking” was cited in January 2005. “Knifing” and “sporking” are sometimes added to the line. “Spooning leads to forking… use condiments” was cited on Twitter on December 20, 2008.
 
“The fork spooned the knife, so the spoon knifed the fork” is a related joke.
     
 
YouTube
Greg Fitzsimmons - Comedy Central presents season 1 episodes 5 - HD
Comedy Central Presents
Published on May 29, 2015
Greg Fitzsimmons - Comedy Central presents season 1 episodes 5 - HD (December 29, 1998.—ed.)
14:40:
“With her I can actually sleep with her in my arms…Spoons position, right?...Women smile. They love spoons. Men are the fork. Forking.”
     
Google Groups: rec.humor.flame
MEATLOAF 101
Christine
10/25/01
I’m getting forking agitated with all this forking talk. Can’t we talk about any forking thing else (like maybe spooning)?
     
Google Groups uk.media.radio.archers
Who supplied the K? (loprise 6 May)
Stephen
5/9/02
(...)
Forking, an activity that tends to follow spooning.
 
Straight Dope Message Board
Funniest Sig Lines! (and other funny quotes)
Ruby
01-23-2005, 08:02 AM
This came from my girlfriend’s t-shirt but it’s a great line…
Spooning leads to Forking
 
Google Groups: Bomb Dingo
Thank You Nancy
SuperB
6/18/05
hahahaha…yeah Nancy. Ms. Spooning Expert. “Spooning leads to forking” says the girl who knows (Nancy)
 
Urban Dictionary
spooning leads to forking
Common phrase linking the acts of spooning and forking. Basically, what starts with cuddling can easily end in sex.
Everyone knows that spooning leads to forking.
by Giant Peach November 09, 2005
 
Google Books
Underground:
My Life as a New York City Subway Musician
By Matthew Nichols
New York, NY: Matthew Nichols
2008
Pg. 127:
Picture on shirt: A spoon and a fork cuddling.
Words: Spooning leads to forking.
 
Google Books
Eerily Familiar
By Darren Lamere
Lincoln, NE: iUniverse
2008
Pg. ?:
We held each other the whole night, and when we both woke up with sore arms, she said, “Spooning leads to forking, have you heard that?”
   
Google Books
February 2008, Backpacker, pg. 12, col. 1:
And spooning, well, that can lead to forking, which is another issue altogether.
 
Twitter
Shirts_on_Sale
‏@Shirts_on_Sale
Shirtaday: Spooning Leads To Forking: And Knifing leads to… Sporking? http://tinyurl.com/66fbdt
1:11 PM - 23 Apr 2008
 
Twitter
Zach
‏@zach_aren
spooning leads to forking… use condiments.
2:48 PM - 20 Dec 2008
   
Twitter
Bsauraus-Rex
‏@BsaurausRex
So according to dori spooning leads to forking but it can also knifing if someone gets jealous
6:50 PM - 3 Apr 2009
 
Twitter
llandaff
‏@llandaff
@GoCheeksGo And if spooning leads to forking, do you always use condiments? (Sorry…had to go there!) 😊
11:12 PM - 15 Sep 2009