When a person talks with no expression whatsoever.

An analogy to talking to a wall; there's no point.
Jennifer: Oh
Nicole: Why do you sound so dead? It's like talking to a wall.
Jennifer: I don't sound dead.
Nicole: Stop Wallin' It!
by xNiCoLeL August 07, 2011
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going crazy: over-reacting about something.
Boy you must be wallin' if you think that I'm gonna do that for you.
by January December 16, 2003
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Used to describe a person/s who are acting crazy, reckless, ridiculous, etc.
-Pronounce: Wah-Lin
Dude 1: Yo what did your friends do at that party last night?

Dud 2: It was crazy! They destroyed everything!

Dude 1: Wow, your friends be wallin'.
by KayxGee1 January 27, 2012
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Slang that originated from youth of NYC.
-When one is acting like a fool or acting crazy from their usual norm

-What you respond with when you don't agree with someones statement at all.
-"Why are you so jittery today? You're WALLIN!"
-"Derek thinks Stacy is hot. He's wallin".
by NYCbAsed April 05, 2017
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Unlike it's commonly mistaken definition (wahlin or wylin), 'wallin' means to be stubborn or ignorant.

Wallin = You're stubborn and ignorant.
Brick Wallin = You're ignorant as hell.
Stone Wallin = You're stubborn as hell.
Brick AND Stone Wallin = You're just plain retarded.
YO, that nigga be BRICK wallin He be thinkin the Great Wall of China's in New York.

Forreal?!
by Therese B. January 15, 2007
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1. Somebody who sucks at basketball but who thinks hes the shit.
2. Somebody that claims hes from the ghetto and now hes rich when all along he had money.
3. Someone who thinks hes ballin.
1. a: ''He scored a point and now he thinks he can beat all of us.''
b: ''yea, that cat is wallin.''
2. ''I herd he grew up in the burbz, hes wallin.''
3. '' Haha, he got af1's and he says hes a baller. That idiot is wallin.''
by Gabriel Thomas June 07, 2007
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(v.) When a girl dominates a guy's wall on facebook, and when you check their wall to wall there is no response from the guy.
Girl: Hey! So i wrote on your wall last night about the English homework..why didn't you answer?

Guy: For the same reason i never answer you..*to his friend* God, what a Wallinator.
by aislesalmon December 09, 2009
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