It’s the result of cutting yourself, all the cuts on your arm form a barcode of sorts
Guy 1: I saw Stacy earlier today, I hope she’s okay, I saw her barcode arm.

Guy 2: Yeah I hope she feels better.
by ThisUglyGuy May 2, 2020
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the look of someone's arm after harming themself, looks like a barcode if cut in a certain way.
Peson: "I have a barcode arm..."
Person 2: "oh, are you okay, wanna talk about it?
by loving_u_ August 21, 2022
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when you slit you're wrists either because you're depressed or just because
teacher:hey ray has barcode arms
me:FUCK
conciler:how ur home life bitch
by raybeez March 30, 2022
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