“What’s up, cake?”/“Muffin much.”

“What’s up, cake?”/“Muffin much” is a jocular conversation that has been illustrated on T-shirts. The short conversation has been cited on Twitter since February 10, 2010.
 
The conversation had been cited in print before the 2010 T-shirt design. “What’s up?! Muffin much!!!” was cited on Twitter on April 7, 2009.
   
   
Twitter
Ashleigh Jayne
‏@ashleighjayne
@leggybowtwanger lol what’s up?! Muffin much!!!
12:06 PM - 2 Apr 2009
 
Twitter
Camdyn Johnson.
‏@Camdyn_Lyn
@JonasFever41 haha If someone comes up to you and says Hey what’s up? Say Muffin much LOL! 😊
3:27 PM - 19 Aug 2009
   
Twitter
Jaime
‏@xmissjaijaix
“what’s up, cake?” “muffin much!” :D. haha.
3:12 PM - 10 Feb 2010
 
Twitter
Catarina Rocha
‏@Catarinasays
“What’s up cake? muffin much” HSUAHSUAHSUHASUHAU
8:11 PM - 10 Feb 2010
   
EWWITSNIKKI
JULY 31, 2010
[CLOSED] Snorg Tee’s Review & Giveaway
(...)
here’s the design I got, “What’s up cake? Muffin much!” haha! isn’t it just adorable? I love this shirt!
 
LOL Zombie
What’s up Cake? Muffin much.
BY LOL ZOMBIE · SEPTEMBER 2, 2010
What’s up, Cake? Muffin much.
Ahh muffin and cupcake humor. Kinda lame, kinda funny.
 
Wicked Clothes
JULY 18, 2011 9:50 PM
What’s up, cake? Muffin much.
This delicious tee is perfect for wear any day.
This shirt is for sale at SnorgTees.