The basic implications of this word is ment for...
(1) Telling someone that whatever they're trying to talk about is something you just don't give any shits about.
(2) Quite frankly just telling someone to be quiet, shut up, or change the topic of the current conversation.
(1) Guy#1: "OMG My Little pony is so epic!" Guy#2: "SHEE-SHEE-SHEE!"
(2) Girl: (in back of lecture room/class) "so like i went out on a date with this guy right... and i was like..." Guy: "SHEE-SHEE-SHEE!"
by DrPepperMunster May 10, 2012
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Means "shit". Used when something of misfortune occurs. Usually said in a high pitched voice with emphasis on the "ee". Could also be said quickly in a gruntal voice with emphasis on the "it".
Mr. ATC: So did you do your presentation zood?
Tones: Urgh, What! That's do today? Aw SHEEEEE-IT!
Alien: Shee-IT!
by nadjask March 31, 2009
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Shee or Fairies and their Dwellings.—The pagan Irish worshipped the side shee
i.e. the earth-gods, or fairies, shee, or elves. These side are closely mixed up with the mythical race called Dedannans, to whom the great majority of the fairy gods belonged.
by ARMD December 28, 2011
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It simply means "Shit." It's used to describe surprise and/or opposition towards a comment and/or situation. Usually in a major way.
WOMAN: I need a huge favor.
MAN: What?
WOMAN: Will you pay my rent and bills? I'll give you something to make it worth your while.
MAN: Shee-It!!!!!!!! Your hand cares about my money more than you care about me.
by Mr. Terrence L. Trezvant October 16, 2006
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a subsitute word for shit
I've got to take a shee.
by sookboywonder February 26, 2004
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Short for the vehicle Banshee in the game Halo.
That n00b in the shee is a cheap ass!
by Kannon April 12, 2005
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The combination of taking a dump and a pee, at the EXACT moment, sometimes caused by neccessity, or by sheer time conservasion. May result in "crossing streams" or double the feeling of relief.
Man, I feel great after that shee I just took.

Damn dawg, I saved an entire minute simply by sheeing instead of takin turns!!!!
by vorp68 October 25, 2010
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