“Off-pudding” is a pun or eggcorn of “off-putting.” “A little off-pudding?” was printed in a 2000 newspaper story. “I saw Bill Cosby eating some yogurt and it was a bit off pudding” was posted on Twitter on September 27, 2011.
 
“My stomach hurts. Must’ve been something I ate. My dessert was a little off-pudding” was posted on Twitter on October 18, 2011. “This custard was a little off-pudding” was posted on Twitter on November 14, 2011. “This tapioca is a little off-pudding” was posted on Twitter on April 29, 2013.
   
“I find jello a little off-pudding” was posted on Twitter on May 14, 2013.
   
           
Wiktionary: off-putting
Adjective
off-putting (comparative more off-putting, superlative most off-putting)
1. Disconcerting, annoying or repulsive; tending to put off.
His habit of picking his nose is quite off-putting
 
Wikipedia: Jell-O
Jell-O is a registered trademark of Kraft Foods for varieties of gelatin desserts, including fruit gels, puddings and no-bake cream pies.
 
29 June 2000, Star Tribune (Minneapolis, MN), “Tidbits” by Al Sicherman, pg. 3T:
A little off-pudding?
 
Do not attempt to adjust your newspaper: That’s really green pudding. This peculiar treat is one of three flavors of Dino-Cups, a temporary aberration from the Hunt’s SnackPack unit of ConAgra, riding the coattails of the Walt Disney film “Dinosaur.”
   
Twitter
sreegs‏
@ahuj9
I saw Bill Cosby eating some yogurt and it was a bit off pudding.
10:55 AM - 27 Sep 2011
         
Twitter
TheBrownWelsh‏
@TheBrownWelsh
My stomach hurts. Must’ve been something I ate.
My dessert was a little off-pudding.
#badumCHA
10:57 PM - 19 Oct 2011
   
Twitter
Tyler Cave‏
@tylercave
This custard was a little off-pudding.
9:48 AM - 14 Nov 2011
 
Twitter
Jacob Ford‏
@JakeFord83
This pudding tastes weird, its a little off pudding.
3:58 PM - 26 Jan 2012
   
Twitter
Burris Harris‏
@BurrisHarris
This flan is a little off-pudding I hate what I’ve become I’ll show myself out.
10:15 PM - 22 Feb 2013
   
Twitter
David Carmany‏
@DaveCarmany
This tapioca is a little off-pudding.
9:13 PM - 29 Apr 2013
   
Twitter
Liam‏
@mordalphus
I find jello a little off-pudding.
7:58 PM - 14 May 2013
   
Twitter
Forever Whimsical‏
@Whimsical84
I found my doctor’s suggestion to lay off tapioca a bit off-pudding.
12:32 PM - 19 May 2013
 
Twitter
Mason City Memories‏
@Nostalgicmc
“I find Jell-O a little off pudding
If any of you followers work at Kraft please say this at work tomorrow.
12:04 AM - 17 Dec 2013
 
Twitter
James Kujawa‏
@westofthedial
Sometimes snack packs taste a bit off pudding.
5:15 PM - 18 Dec 2013
   
Twitter
The Official Dude‏
@Ink184
@LaraSbg I don’t know, eating too much custard can be a bit off pudding.
3:28 AM - 14 Dec 2014
         
Twitter
Ryan Huffman‏
@TheCreature8
I decided to stop sitting on gelatinous dessert products and now everyone says I’m a little off pudding.
6:11 PM - 26 Aug 2015
 
Twitter
Kadyn the Wingman‏
@kadyngriffiths
I accidentally used spoiled milk when I was making custard & it was a little off pudding haha but for reals do you guys think there’s a god?
12:19 PM - 13 Aug 2017
 
Twitter
Jason Kasman‏
@jckasman
Had a bite of recently expired custard • • • it was a bit off pudding
9:05 AM - 24 Aug 2017
   
Twitter
Not Carl‏
@CarlCarlerson
told my mom the dessert that she made tastes bad and she said it’s a little off pudding
12:57 PM - 23 Nov 2017
 
Reddit—Dad Jokes
Why did no one finish the half eaten flan in the fridge? (self.dadjokes)
submitted January 12, 2018 by praesespilsbaas
Because it was a bit-off pudding.