In the days before cell phones, there was only one thing to do in a public bathroom...well, okay, only one thing you could do that wasn't really really unhygenic: writing graffiti all over the walls. Thankfully, this tradition still exists today - and these are some of the best:

 

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via BallsMcWhoppa

 

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via bubear13

 

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via Ryno3639

 

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via RamboAz

 

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via equaliberty

 

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via NTrun08

 

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via ColeSoryy

 

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via cheezburger

 

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via drollnation

 

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via Chistes para ingenieros

 

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via phoenixzeus

 

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via NerdCRAFT 

 

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via KingSpartan15