This comes from Eminem's song, Stan. If you like someone or something a lot, you could say that you stan it. It is also something that you call someone who is obsessed with something.
Cloudy: Did you hear about Ray? They made a stan account for Twenty Øne Piløts.

Tree: Really? Ray really stans Tøp, so that makes sense.
by bisexual bandito September 30, 2019
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Stan is a fan that is overly obsessed and can bleed into being a stalker. It is derived from Eminem’ssong ‘Stan’ about a fan killing himself and his pregnant girlfriend over Eminem not writing back.
Person1: Did you hear that Jaime has pictures of the BTS boys all over her walls?

Person 2: She must be a Stan.
by vladimirchekhov December 6, 2017
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A programming interface for writing Bayesian models; performs Monte Carlo simulations.
Dude A: Oh man, it takes so long to run my model in WinBUGS!
Dude B: You, did you try Stan?
Dude A 3 hours later: Whoah! That was (relatively) fast!
by andrewgelman September 14, 2017
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A Name of a Person, Can Be Male Or Female. Usually, they are a terrible basketball player, and get embarrassed on the internet. They are addicted to Fortnite and are bad at all sports. They will never be married.
"Did you see Stan airball that 3?"
by Stan Center September 11, 2018
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When you shit and do not have to use toilet paper
Bro! Did your dad use toilet paper? No, he pulled a stan!
by Standingo April 29, 2015
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when you stan , that means you support and love what ever it is that you are stanning , for example say you want to stan a kpop group , that means you will support all of the members and show love equally to each of them and not just pinpoint the ones you like , dont just say you stan BTS and only talk about jungkook , thats dumb a rude!
by skztingz May 18, 2019
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short for "standard" used as a term of agreement, to do something with friends etc also can be used as a showing appreciation. Used mainly in the UK London.
Stan, nice one!
by Antibalas79 August 2, 2010
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