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1.
1. a. An exclamatory phrase conveying sentiments of astonishment, surprise, anger, annoyance, bewilderment or other general feelings of shock. Should be spoken with great emphasis.

Not directly related to the act of smearing shit on or having shit smeared on the tits, but rather the emotions equivalent to the feeling of shock upon realizing shit is on the tits.

1 b. Something bad.

2. Alternatively equivalent to the feeling of great release after shitting on someone's tits.

3. Related to the idea that someone has knows nothing about something.
1. a. "Ohhhhh Shit tits, I shouldn't have done that last night, I don't think I had a condom."

1. b. "OH Shit tits! My paper was due this morning!"

2. "Shit tits!"

3. "you don't know shit tits about that"
by Nhibby December 12, 2009
 
2.
1) The product of the Cleveland Steamer

2) Shit smeared all over a girls tits for no apparent reason whatsoever
1) After giving Leslie the Cleveland Steamer she craved so much, she had shit tits

2) While Tits McGee was sleeping I shit all over her tits and smeared it in giving her shit tits
by Robert Williamson April 20, 2005
 
3.
1. An sudden exclamation of moderate anger, disappointment or displeasure.
Shittits, I dropped my wallet!

Shittits My wife left me!
by RustyMember November 18, 2010
 
4.
When a girl with gross titties attempts to show off side boob
"Hey Chip, look at that girls side boob."
Chip: " no dude that girl is fugly, she's sporting some real shit tit right now."
by Flint Michigan July 12, 2014
 
5.
a bad thing just happened
SHIT TIT! i dropped my phone in the toilet!
by dizzlebizzle January 17, 2010
 
6.
a name you would bestow upon a fellow human in which you thoroughly despise and wish to terminate.
"Hey there's Mike!"
"Fuck Mike. He's a shit tit."
by swankz June 11, 2013
 
7.
1. When ones tits have so much shit on them you want to barf.

2. A disgusting tit that is covered in human fecal matter and cannot be licked clean due to poor hygeine methods. Sometimes used in Scat pornos
dude, that shit tit just made me so fuck
Oh my god get that shit tit away from me
Im gonna lick that shit tit clean.
by Deany Weany Beany Feany October 30, 2006