Jokes are generally meant to entertain a small or large group like friends in a social party, guests in a cruise travel ship. Jokes may be artistic use of words and sentences that keeps a hidden message that causes laughter and entertainment. Jokes may also be words, sentences to entice harassment, anger, and dirtiness. Comedy and satire generally include jokes. Some jokes have punch lines at the end of sentence to cause the joke humorous.
Yo (Your) mama joke also called Maternal Insults originated from inner city cultures. In African culture in America two persons are engaged in fun conversions using the phrase ‘yo mama' or other variants like your mother.
It is very difficult and strange to understand why and how your mama jokes referring and insulting mother had come into existence where globally mother is considered a respected entity in one's life. The joke starts with your mother followed by an insult word or phrase. The variants of starting phrase of your mother jokes are: yo mama, your mom, ya mum, your mum etc. Insult words or phrases are based on fatness like goldfish look, financial condition like poor, mentioning ethnicity like Mexican, mentioning sweat like sweaty, mentioning mama head is big, poor hygiene, age, obesity, race, promiscuity, unattractiveness, stupidity etc. Your mother jokes are likely to cause violence between two persons because of your mother jokes mention mother and words insulting her.
Playing the Dozens (also called dirty dozens) game among African Americans might have contributed to your mama jokes. The game originated from the auction of deformed or defective slaves. The game is played generally between two males using phrases about the mother or other family members. At the end one quits and the remaining person is the winner. The game is to show the wits, humor, stamina, verbal ability, mental strength etc. You mama or its variants are common African vocabulary used in the dozens game and your mother jokes. Your mother jokes are referred as dirty because jokes generally include dirty words or phrases.
Many mama jokes are derived or created using one single insult word like fat. Other words are poor, obesity, promiscuous etc. Examples are:
Use of words fat and poor
. Your mama is so fat scale breaks down
. Yo mamma is so fat no dress is available
. Ya mami is so poor air conditioner does not work
. Your mami is so poor roof leaks.