“I’m not gaining weight—I’m retaining food”

“I’m not gaining weight—I’m retaining food” is a saying that’s been placed on T-shirts and bumper stickers. The saying has been cited in print since at least 2006.
 
   
PrankPlace.com
“I’m Not Gaining Weight - I’m Retaining Food”
Funny Bumper Sticker.
   
CafePress
Made by Nuclear Tees: T-Shirts only a mother could love!
on October 24, 2006 at 7:41 AM
Retaining Food T
“I’m not gaining weight, I’m retaining food.” Sounds better than “big boned” any day!. Find more funny t-shirts at Nuclear Tees (http://www.nucleartees.com).
 
Google Books
Tales from the Dad Side:
Misadventures in fatherhood
By Steve Doocy
New York, NY: William Morrow
2008
Pg. 102:
“What are you doing, Dad?” the kids asked, but I was single-minded as I walked toward the van, which had no handicapped plate, no official state hangtag, no permit, just a bumper sticker that read “I’m Not Gaining Weight. I’m Retaining Food.”
   
SSBBW Magazine Forums
Meilyne
Re: Funny Bumper Stickers
« Reply #4 on: May 07, 2010, 08:54:36 AM »
(...)
I’m not gaining weight, I’m retaining food.