"Jo Mama" is the replacement of the phrase, Yo Mama. It is used as a joke or nickname towards people with the name Joe, Joseph, Joanna etc.
by lamajokaka March 30, 2020
Get the jo mamamug. Mama Steve is a 19 year old single mom that goes by the name “Steve Harrington” in the show “Stranger Things” and is played by the actor Joe Keery
by Rea 🐦 March 23, 2021
Get the Mama Stevemug. 
by Gottem Joker man November 15, 2019
Get the Joe Mamamug. When the screen parasites that grow from typing to much tomfoolery get inside your skin and spread to your head and legs.
Symptoms include:
Smelly breath
Yo mama
Blurred vision
Limbs falling off
Hair falling off
Cursed to never have swag again
Curses your family
Stomach pains
Headaches
Runny nose
Symptoms normally last for 5 years at a time, slowly getting worse as the time passes. It usually goes undetected for a long period of time, giving the parasites time to eat away and nest inside the brain.
Symptoms include:
Smelly breath
Yo mama
Blurred vision
Limbs falling off
Hair falling off
Cursed to never have swag again
Curses your family
Stomach pains
Headaches
Runny nose
Symptoms normally last for 5 years at a time, slowly getting worse as the time passes. It usually goes undetected for a long period of time, giving the parasites time to eat away and nest inside the brain.
by Garfieldington February 16, 2024
Get the yo mama diseasemug. 
by Park Guz March 9, 2019
Get the bah mamamug.