Noun - An cute or endearing word used to describe a person.
Aww Mush, you are so sweet.
Hey Mush, how are you?
The Swampy Cree slang word for: snag, bang, etc. In other words to have sex.
Are we gonna mush tonight or what?
You mushed your cousin? Ever sick!
a man that has a crush on another man ( the man does not have to be gay to have a mush)
oh my god ryder, you totoaly have a mush on shak!