“You’re so ugly, when your mom dropped you off at school, she was fined for littering”

A “yo mama” joke was posted on the newsgroup alt.tasteless.jokes on July 19, 1999:
 
“Yo momma so ugly your Grandma threw her on the street and was charged for littering.”
 
This joke was changed to describe an ugly student dropped off at school. This version was posted on the newsgroup alt.dss.hack on April 19, 2004:
 
“You’re so ugly, when yo’ mama dropped you off at school, she got a ticket for littering!”
 
 
Google Groups: alt.tasteless.jokes
Mother Jokes
G - P
7/19/99
(...)
Yo momma so ugly your Grandma threw her on the street and was charged for littering.
 
Google Groups: alt.tasteless.jokes
looking for you momma’s
Richie Senior
6/18/01
(...)
Yo mama is so ugly your Grandma threw her on the street and was charged for littering. 
 
Google Groups: alt.dss.hack
for FTA experts - Subbing minimum Dish package
_TÖM
4/19/04
Dear Bugsy:
“You’re so ugly, when yo’ mama dropped you off at school, she got a ticket for littering! “
 
May 2008, India Current, “‘Elementary”‘Education” by Lakshmi Palecanda, pg. 156:
And I’ve added to my repertoire of “Yo mama” and knock-knock jokes. (Sample: “Yo so ugly, when your Mom dropped you off at school, she was ticketed for littering!”)
       
Twitter
COMMANDER COOL®‏
@vojha
@sassy007 You’re so ugly, when yo’ mama dropped you off at school, she got a ticket for littering!
10:53 PM - 21 Jan 2009
 
Twitter
Corina Miranda‏
@_corinaaa
You so dirty, when yo mama dropped you off at school, she got a fine for littering. HAHAHA:)
9:45 PM - 14 May 2009
 
Twitter
Amie Dobracki‏
@AmieDobracki
You’re so ugly when your mom dropped you off at school she got a fine for littering. Nothing personal.
11:22 PM - 10 Jul 2009
 
Twitter
Funny Quotes‏
@FunnyQuotees
You’re so ugly, that when your mom dropped you off at school she got a ticket for littering.
10:40 PM - 18 Sep 2013
 
YouTube
Jokes - You’re so ugly, when yo’ mama dropped you off at school, she got a ticket for littering!
jokesus
Published on Aug 11, 2015
Joke :
You’re so ugly, when yo’ mama dropped you off at school, she got a ticket for littering!