A derivative of shwasted and smashed, shmoosted is the process of becoming severely inebriated from the consumption of excessive amounts of alcohol. Often said by high school and college students while boasting about their drinking accomplishments.
A sex position where the girl break dances on her head and the guy sits with his penis inside the girl's vagina while licking her belly button. Every time the guy licks the girlsbelly button, he must say shmoosh.
A word used to describe something that's just absolutely so brilliantly amazing that no words can describe how much you are enjoying it. So you use shamoosh.
You add an extra o in the word for every time you expereinced one the following:
*an orgasm
*pulled someone you liked
*had sex
*got asked out by someone you like
*got a phone number
*got asked for your number
*got something free i.e. a gift, drink
*got so incredibly drunk your life lost all meaning
*started dancing to your fave music
*got high
*had the best time of your life
Me: Curt your party last Friday was shamoosh
Jen: I thought it was more shamoooooooosh
Curt: (She must have got lucky.)