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"

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.

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!!!!

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.