An exclamation used to express the likelihood that a course of action is not worth its effort. The term is loosely synonymous with meh, but with more zest.
a person who does things like get wasted and vandalize apartments, lose their keys and ID when drunk, drink massive amounts of cheap vodka, and basically does a lot of stupid shit while having fun.
person 1: look at her she's so wasted she can't even walk up those stairs
person 2: ya, she's such a shmeeee!