look up any word, like dirty sanchez:
 
23.
a small to medium sized dog that has fur that resembles that of a cow
your dog looks like a minature cow. yeah i know she's my "moo moo"
by invadergirl March 20, 2009
 
1.
A rectangular cloth with crude stiching worn by morbidly obese persons.
Becca said, "Dude, I've gained SO much weight, I need to wear a moo moo!"

Amy walked by and shouted "Hey, Jane, look at Roberta's dress. It's so huge, she looks like she's wearing a moo moo"
by Jess June 09, 2004
 
2.
A dress that is worn by bitches who are way too fat to wear normal clothes. Always fugly and have gay striped patterns and flowers on them. It is really loose and makes the bitch who wears it look even fatter.
Dude did you see that bitches Moo-Moo?
Hahaha yeah she was trying to hide her fupa but it wasnt working.
by CoryC December 07, 2007
 
3.
An extremely large person who could barely walk 10 feet without being winded and cannot see there own feet. Moomoos tend to be very defensive over their food and are not at all considerate of others. Moomoos tend to smell too.
I was stuck between 2 moomoos on my 9 hour flight. I couldnt stand the smell!!!!
by Big Guy32 December 06, 2009
 
4.
Large female with at least 6 sets of boobs the size of Mount Everest...also wears big ass clothes that usually don't fit, and has a weird family who likes fried chicken.
Did you see that Moo moo's family? They were all over that BBQ CHICKEN!
by Caleb Hobbs June 11, 2009
 
5.
Sounds like Moo Moo, correct spelling is Muumuu. It's a loose dress originating from Hawaii. Morbidly obese people typically wear muumuu's. It looks like they were made out of a flowery set of curtains.
I'm so obese the only thing that fits me is a moo moo.
by Jinja52 June 03, 2011
 
6.
uh moo moo is uh big-ass night gown or dress that big-ol's wear.
my grandma wears moo moos with no underwear.



OH SNAP:SHE DID NOT wear that moo moo wal-mart!
by shauna-nanaMACmissBUTTcrack January 29, 2009
 
7.
A sugary sweet term of endearment for someone you love. Derived from the kissing sound muah. Can be used as an adjective or noun.




You're my moomoo bear. Now, give me the moomoos.




by moomster July 12, 2008