Sistoitis

A seemingly never-ending virus usually contracted in Las Vegas from a Charlestown sickling

DUNNY: Man, I was dunnygaming last night and I don't feel so good today. I thought that's what it was anyway...
SASSTO: Well, what was it?
DUNNY: I caught the Sistoitis.
SASSTO: Oh man! Sorry!
FLEER FLAWN: Yitadee!

by Kirtan February 20, 2009

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sititis

1) Latin for "thirsting."
2) According to the Clark County News of December 1875, it is a disease "caused from people sitting around too much and taking no exercise."
3) A palindrome that just happens to have the words "sit," "it," "tit," and "'tis" in it.

Laura, if you keep telling me to sit tight, I’m gonna get a bad case of sititis!
Urkel, if you don’t stop complaining you’ll get a worse case of broken-face-and-glasses!

–Family Matters, Episode 88

by Lexical October 14, 2007

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Systitis

A computer showing the symptoms of a virus infection; turtle-slowness, inability to run certain apps or games, inability to browse through the internet or very slow internet browsing, and certainly will end in you having a high blood pressure.

A: My windows has a systitis for the last month.
B: It's probably because you're running an update-disabled fake version. Buy a genuine version, or replace your windows with any open-source os.

by Ahmed Zidan October 27, 2010

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Acute Intra-sistaitis

A very serious illness affecting the internal organs. Its occurs when the host (often non-black) is housing a younger middle age soulful black woman. This said black woman often grows inside of the host affecting their music taste, vernacular, and often accompanied by loud outburst of soulful hearty singing without warning. This persist undetected until the untimely end of the incubation process (often in the month of February , during Kwanzaa, or sometime at soulful R&B concerts and occasionally at church services). resulting in the host being absorbed and taken over completely. Although not fatal, there is a largely notable increase in attitude, melatonin, and overall spice and sassiness once this process has run its course. ...Do your part to detect AIS as early as you can.

"Boy Samantha keeps breaking out in bellows of soulful song, i hope she doesn't have Acute Intra-sistaitis."

by MJM health journal December 27, 2012

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