1 definition by K9 Mutt

Yeiss is a word for "Yes" That is used by alot of newfoundlanders who have a real newfie accent and is over used by newfoundland rappers. Kids in NF will start to say it around Juiner high and then will not nitice there saying it anymore.
Yeiss b'y thats nuts
Hmmm yeiss I think I'll say that
by K9 Mutt April 5, 2007
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