“What’s black and doesn’t work?”/“Decaf coffee, you racist.”

“What’s black and doesn’t work?”/“Decaf coffee, you racist” is a joke that has been printed on many images. The joke was posted on Twitter on February 16, 2012.
 
The “decaf” joke was popularized by this ecard.
 
 
Twitter
Shannon Glasford‏
@ShannonGlasford
Do you know what’s black and doesn’t work?  Decaffeinated coffee.  Quit being so racist!
4:59 AM - 16 Feb 2012
 
Twitter
supercujo‏
@supercujo
What’s black and doesn’t work? Decaf coffee you racist bastard
6:32 AM - 16 Feb 2012
 
Twitter
Michal Clayton‏
@michalclayton
What’s black and doesn’t work? Decaffeinated coffee you racist jerk! #bekindrewind
12:18 PM - 16 Feb 2012
 
Twitter
N/A‏
@untaxed
What’s black and doesn’t work?
Decaffeinated coffee.
You racist fuck.
3:30 PM - 16 Feb 2012
 
Reddit—Jokes
What’s black and doesn’t work?
submitted February 13, 2014 by jay_sin
Decaf coffee…you fucking racist.
 
Reddit—Jokes
What’s black and doesn’t work?
submitted August 28, 2014 by geddycorn86
Decaffeinated coffee, you racist bastard.
 
Reddit—Jokes
whats black and doesn’t work?
submitted January 8, 2015 by donthejeweler
decaf coffee, you racist bastard!