“Yo mama’s so stupid, she thought Dunkin’ Donuts was a basketball team”

A popular “yo mama” joke is:
 
“Yo mama’s so stupid, she thought Dunkin’ Donuts was a basketball team.”
 
“Ur Mama so stupid she thought dunkin donuts was a basketball team” was cited on Twitter on July 30, 2009.
 
   
Wikipedia: Dunkin’ Donuts
Dunkin’ Donuts is an American global doughnut company and coffeehouse chain based in Canton, Massachusetts, in Greater Boston. It was founded in 1950 by William Rosenberg in Quincy, Massachusetts. Since its founding, the company has grown to become one of the largest coffee and baked goods chains in the world, with 11,000 restaurants in 33 countries. The chain’s products include doughnuts, bagels, other baked goods, and a wide variety of hot and iced beverages.
 
Twitter 
spencerhaugh
‏@spencerhaugh
does @dunkindonuts sponsor a basketball team? cuz they should, based on awesome playonwords name alone. or a cycling team, cuz i run one. 😉
8:57 AM - 2 Apr 2009
 
Twitter
 David Crawford
‏@dkcrawford70
Speaking of insults just had this one sent to me… Ur Mama so stupid she thought dunkin donuts was a basketball team.
6:04 PM - 30 Jul 2009
 
Twitter
tauren wells
‏@taurenwells
Yo mamma so stupid she thought dunkin donuts was a basketball team!!!
8:26 PM - 11 Aug 2009
 
Twitter
DRE
‏@SHE_LUV_MY_ICON
@leekybaby #YoMama so stupid she thought Dunkin Donuts was a basketball team
2:30 PM - 1 Sep 2009
 
Twitter
Chow Young-Fat
‏@DKenya_Mowoof
#yomamaso stupid dat she thot “Dunkin Donuts” was a basketball team
9:59 AM - 14 Oct 2009

Google Groups: Humor Club
Fwd: Comedy Central’s Got a Joke for You!
R.K.
4/1/10
—————Forwarded message—————
From: Comedy Central

Date: Wed, Mar 31, 2010 at 10:38 PM
Subject: Comedy Central’s Got a Joke for You!
To: .(JavaScript must be enabled to view this email address)
 
Yo mama’s so stupid, she thought “Dunkin’ Donuts” was a basketball team.
 
Google Books
Crazy Zubb’s Joke Book
By Joey Williams
Lulu Press, Inc. (Lulu.com)
2014
Pg. ?:
Yo mama so dumb she thought dunkin donuts was a basketball team.
 
Google Books
Yo Momma So Stupid Jokes
By Peter Crumpton
PeteyRF Creative
2015
Pg. ?:
YO MOMMA SO STUPID! she thought Dunkin Donuts was a basketball team.