The MBTI is the personality matrix invented by Catherine Briggs and Isabel Meyers. It expands upon the Jungian idea of archetypes and psychic energy, turning these into the basics of personal identities of 16 diferent types.
The MBTI is explained below:

There are two possible results for each one of the four letters in each type. The letters are:

first letter
E: Extraversion: Prefering the external world.

or
I: Introversion: Prefering the internal world.

second letter
S: Sensing: Preferingthe phsycial world.

or
N: iNtuition: Prefering the hypothetical world.

third letter
F: Feeling: Prefering emotionally driven choices.

or
T: Thinking: Prefering logically driven choices.

Fourth Letter
P: Perceiving: Prefering open ended results.

or
J: Judging: Prefering finality.

These 8 letters can be combined into 16 diferent ways in groups of 4 with one being from each pair to form the 16 types.
by Lamachus July 05, 2009
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"Myers-briggs type indicator." A system used to classify people by their personality. Each personality type has 4 letters. Here are the letters: E or I, E = extraversion, I = intraversion, S or N, S = Sensor, N= intuitive, T or F, T= thinking, F = feeling, P or J, P = percieving J = Judging. You get 4 of these letters and that determines your personality type. Hell, at least it's more accurate than the enneagram.
my mbti type is enfp. What type are you?
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Are you...

I (Introverted): Think people are obnoxious... why cant they shut up?
Or
E (Extoverted): The person who cant shut up

S (Sensing): What is imagination? Lets be logical
Or
N (iNtuitive): I am imagination

F (Feeling): LETS HELP PEOPLE 💕☺️... ToO mAnY EmOtioNz
Or
T (Thinking): Ugh, why are people such crybabies?

P (Perceiver): LETS BE WILD AND GO ON ADVENTURES AND NOT PLAN ANYTHING AND BE SPONTANEOUS AND PROCRASTINATE AND TAKE STUPID RISKS :D
Or
J (Judger): LETS BE RESPONSIBLE AND SCEDUALE EVERY SECOND OF OUR FREAKING LIVES :D

Choosing one of the letters from each of these four categories will give you your MBTI personality type (and yes, I am aware that most/some/all of the things I said were simply stereotypes)
My MBTI type is INFP
by Cluelessfool September 17, 2017
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The Meyers-Briggs Type Indicator (MBTI). A MBTI is a personality test that shows exactly what type of person you are.
Guy 1- “Yo she’s pretty! What’s her MBTI?

Guy 2: “Be carful dude, she’s a ISTJ
by MiaTheKewlKid February 03, 2021
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it stands for MBTI stands for Myers Briggs Type Indicator. they are 16 personality types. each type has 4 letters in it that determine how you see the world. example: introvert vs extrovert, intuitive vs sensor, thinker vs feeler, perceiver vs judger
-what's your mbti?
-i am a intp
by user293949292 September 17, 2020
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Someone who figured out their mbti personality type and now posts hourly, daily or weekly in on-line discussion forums with their type-related issues.
Those mbti fanatics don't stop going on and on about how their type causes all their problems in life whilst forgetting that Science has proved that everyone has a unique existence.
by WhiteKnight82 June 14, 2009
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A person who acquires all mbti traits that he or she cannot decide about an specific mbti because he she can relate to every mbti sterotype.
In personality forums when you see a user with an unknown mbti it could be for two reasons: he doesn't know his type/confused about her type or......
He's a super mbti user.
Super mbti user is a very rare species. Probably only one out of millions acquire this trait. She's definitely a special snowflake or a super mbti user.
One clue if one is a legit super mbti user is that she can relate to everyone.

She has the equal balance of s and n, f and t, e and i.. Her right and left brain is perfectly balanced.

In cognitive functions terms, she possess both

Se and Ne,
Fi and Ti,
Fe and Fi,
Ne and Ni.
John: hey do you know what is Doe's mbti? I cannot really type him? Is he an EnFP? No, he's probably an Istp!

Wayne: He's a super mbti user bro. He's a rare species.

John: that's why he's awesome. I wanna be like Doe.
by blitzkrrieg March 30, 2017
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