“A guy walks into a bar...” is a typical form of what has been called the “bar joke.” “A dyslexic man walks into a bra” is a classic joke. Another “dyslexic” joke is:

“A drunk dyslexic wanks into a jar.”

“A dyslexic wanks into a bar....” was posted on Twitter on June 30, 2011. “A dyslexic wanks into a bra...” was posted on Twitter on September 5, 2011.

“A drunk dyslexic wanks into a jar.................” was posted on Twitter by Allan Shaun Jones on June 4, 2012.


Wikipedia: Meta-joke
Meta-joke refers to several somewhat different, but related categories: self-referential jokes, jokes about jokes (also known as metahumor), and joke templates.

Self-referential jokes
This kind of meta-joke is a joke in which a familiar class of jokes is part of the joke. Examples of meta-jokes:
(...)
. A dyslexic man walks into a bra.

Twitter
Michael Prince
‏@BeefMincePrince
So, a dyslexic wanks into a library…
8:26 PM - 9 Apr 2009

Twitter
Yuri
‏@Snikoggs
A dyslexic wanks into a bar....
2:46 PM - 30 Jun 2011

Twitter
Andy
‏@BroomOwl
Brilliant!! RT @Ms_Panther: A dyslexic wanks into a bra…
12:54 PM - 5 Sep 2011

Twitter
Allan Shaun Jones
‏@bigaljohonas
A drunk dyslexic wanks into a jar.................
4:46 PM - 4 Jun 2012

Twitter
BËÃŞŤ
‏@smylastyle
A drunk dyslexic wanks into a jar.................
5:08 PM - 4 Jun 2012

Twitter
Maciej Obara
‏@MaciejObara
A dyslexic wanks into a jar…
3:16 AM - 6 Jun 2012

Twitter
Shit Jokes
‏@ShitJokes
A drunk dyslexic wanks into a jar.
5:25 AM - 26 Nov 2016