look up any word, like lemonparty:
 
1.
1. Either referring to muscle, a muscular man, or the act of building muscle.

2. A word referring to a vaginal fart. Otherwise known as a "queef".
"Tracy, whatchu doin', girl?"
"Building some mousa."

"Jenny, what was that noise?!"
"OMG, so fucking sorry. I just had to mousa."
"Oh, I always have to after sex, it's alright. Let your mousa out, bb."
by therealpayne May 29, 2009
 
2.
ownge kid killed hitler
mousa killed hitler and is ownge
by mousa February 07, 2008
 
3.
usually a slum-dog millionare look alike

basically an adjective meaning your the hottest guy on EARTH

sometime it means you will turn about 3-10 people gay from your pure sexiness

may explode on contact
jill said to her lesbian friend joe, you are so mousa i want to have lots of sex with your butt hole
by THE POOP SMITH YO!!! February 15, 2009
 
4.
A girl who has really big hair and loves High School Musical.
She likes boys (we think).
"Mousa straightened her hair!"

"Mousie"
by bitchacs November 08, 2009