7
"ist" is the combination of 'is' and 'it'.

"ist" is similar to, or the mere opposite of, "it's", which is a combination of 'it' and 'is'.
Child: Hey Baby! This looks like a fun game!
Baby: Really? What ist?
by Ice Masta P February 14, 2009
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8
if (we're) still talking - used in the sort of super-heated relationship which might flame tomorrow
Person 1 :I just want you to do Monte Carlo with me in May

Person 2 : IST - I don't see we gonna get to Xmas !
by Ich bin August 06, 2009
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9
Full form : I see typing
Used when you just saw the other person typing but then they cancelled it. Used to force out something the other person is hesitating to say.

to the above mentioned.
He: *typing*
Me:
He:*typing*
He:

Me: IST what was that about lol
See use: UT ( useless text) : reply
by altairXD December 12, 2016
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10
what you get when you mistype its while typing online.

usually sounds better than its
d00d, this ist the shit.
by Shades January 07, 2005
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11
The worst possible class you could choose as an elective in years 9 and 10, especial when the teacher has no idea what he is teaching (and even admits he has no idea), and the class ends up teaching the teacher. On top of this the curriculum is literally older then most high school students.
Dude IST is literally making me want to kill my self, the teacher knows nothing and the curriculum is older then I am!
by ToganPLayz August 27, 2018
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12
Ists = I swear to sucuk
It’s a word that the most ppl that understand Turkish use.
(Sucuk is a very popular food in Turkey)
Turk 1: He really likes her
Turk 2: Ists
by SucukAli September 30, 2019
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13
Means Initial Strength Test, the entrance physical fitness test for the United States Marine Corps.
Heard you where trying to join the Marines, you pass the IST?
That IST is a killer!
by SummerBoi?! May 01, 2018
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