A slang term meaning that you are currently under the influence of marijuana. Also used as an adv. Usually drawn out in the pronounciation.
Yaaaaa N Shit dude im high as a maufucka.
Hey guys im back from my aerobics class, oh my! are you guys getting "Ya N Shit"?
YaaaaaaaaNShit u got any doughnuts?
by DaCacheman February 2, 2006
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