Pronoucnced noosh olsen. Cheers!, Bon Apetit, or Buen Provecho; to be said to someone before eating eating or drink and especially before a group takes a shot.
Also, can be shortened to nush and is then a command for eat or drink. Frequently put into phrases such as "nush on that" or "nush it up" Also can be used for smoking a cigarette.
dinner is served a guy gets up and says "nush olsun everyone!"
"We have beer if you want to nush on one"
"here's an apple, nush it up."
"want to nush (on) a cigarette?"