Top definition
A nigerian slang used to describe a person who acts daft
This guy why would you try to wash water with water??? You're a mumu
by BadMan on the track April 06, 2011
Get the mumu neck gaiter and mug.
May 1 Word of the Day
When some little bitchboy is acting like a little tiny pee pee poo poo baby and messing up the group plans.
I’m tired I wanna go home

“Oh I didn’t know it was pee pee poo poo hours”
by A7sa July 03, 2019
Get a pee pee poo poo hours mug for your dog Helena.
2
A person who doesn't think before doing things.
he is such a mumu.
by GreenWhiteGreen August 24, 2009
Get the mumu neck gaiter and mug.
3
a dress people wear when they want to eat alot of food.
Hey, when we go to dinner, im gonna wear my mumu!
by jenniferdddddddddd March 13, 2010
Get a mumu mug for your dad Vivek.
4
another word for pussy. it's very childish and that's why it's only used by men... when girls can't hear it
"i want mumu!"
"what's on your mind, dude?" - "mumu."
by Tef November 06, 2004
Get a mumu mug for your Facebook friend Sarah.
5
Homer Simpson: I don't want to look like a weirdo, I'll just go with the mumu
by TornadoGordo July 17, 2017
Get a mumu mug for your mom Helena.
6
Mumu

a mysterious creature that dwells within the South Wales area, a formidable force in eating and sleeps 95% of its life. They can munch 15 pounds of grapes in 30 minutes, and drink 45 gallons of petrol in an hour.

facts:

can dismember a fully grown man in one swipe

average height of 3.5 cm

weighs approx 95 pounds (fully grown)

average walking distance 8ft per day

bodily fluid approx 99% nuclear matter

reproduces via one of three penises and one vagina, both combatants become pregnated, after 9 human months each gives birth to between 2000-3000 offspring

live in traditionaly mounds of moss

diet consists of tinned peaches and sweat

can live for 36 years without food or water

main cause of death starvation, anal secretion (see below)

average life span 14 days

are completely blind, deaf and have no limbs

communicate via grunting, groping and winking

take part in urban scrumping

analy secrete acidic substance that can burn through anything including ones own bowells

mumu's existance is questionable as sources may be unreliable, although mumu's have been spotted many times in real life taking part in urban scrumping, and their corpses found dissolving in a pool of acidic sunstance.
ants: hey sam look in that pool of acid is it a mumu?
sam: yes it looks like it burnt through its own arse.
by mumuforce February 06, 2010
Get a mumu mug for your father-in-law James.