An endless series of jokes beggining with "yo momma so..." and ending in a custom punchline. jokes include, but are not limited to:

Yo momma so fat...
Yo momma so dumb...
Yo momma so ugly...
Yo momma so slutty...
Yo momma so old...

You have to make yourself sound black when you say them. It doesn't really make them funnier or less annoying, that's just what you have to do.
common Yo momma jokes:

Yo momma so fat, she walked in front of the television and I missed three commercials.

Yo momma so dumb, she stared at the orange juice carton because it said "concentrate."

Yo momma so ugly, when she tried to pay the male prostitute to bang her he looked her up and down and said "No way. Even sluts have standards."

Yo momma so slutty, even Snooki can't keep up.

Yo momma so old, Jesus was in her yearbook.
by ygfrekwfgwerfh November 26, 2011
Get the Yo Momma Jokes mug.
Jokes that say how fat/ugly/old/stupid someones mom is
The're usually used by a 12 year old with no life
4 yo momma jokes:

Yo mommas so fat, when she swims in the ocean the whales start singing "we are family!"

Yo mommas so ugly, when she looks out the window she gets arrested for mooning

Yo mommas so old, she owes Jesus 5 bucks

Yo mommas so stupid, she tripped over a cordless phone
by Bob_McBob December 15, 2009
Get the yo momma jokes mug.
Bitch who just can't mind her own damn business
"Man, yo mothafuckin momma can't seem to mind her own business"
by Irbyn's Daddy. June 12, 2003
Get the Yo momma mug.
A joke that disses about yo momma's fatness, stupidity, how ugly she is, etc.
Here are two yo momma jokes:

Yo mama's so old that the last time she got laid she used a dinosaur-skin condom.

Yo mama's so dirty that I had phone sex with her and got an ear infection.
by un-named August 20, 2006
Get the yo momma jokes mug.
A term used to refer to a person who is always reffering to a friends or maybe a strangers mother, most often in a sexual manner, claiming that they have had sexual intercourse with you mother or are doing so even if you are stood right next to her. Whatever you say, they will repeat themselves and pretend that they have the largest penis in the world, and you mother has been very satisfied by it.
(Yo Momma Prick) "Yeah but I fucked ur mom last night"
(You) "I doubt it she was with me all night at home"
(Yo Momma Prick) "Nah, she weren't I was proper ragging her like shit"
(You) "Whatever, get a life"
(Yo Momma Prick) "Yeah just coz i fucked ya mom"
by Caliga Certus May 29, 2007
Get the Yo Momma Prick mug.