"Nish" comes from Anishinaabe,
the tribe more widely known as the Ojibwe. "Nish" is used among friends and family, or even a
complete stranger (as long as they're a Nish, too). Always used on
friendly terms. It could be an insult if used in the wrong way, but why would you want to do that?
"
Look at that big Nish! Right
over there!" - nish #1
"Howah! He must have a huge nishnob!" - nish #2
"Sha hi!!!!!! You're so sick
minded, cousin! Ayaa, but he is sexy..." - nish #3