Top Definition
Bum Scum derives from the Latin word of Bumus Scumus meaning Bum Scum. This may imply that you have not cleaned your rear end after pooping, or may also mean that you are one of the most fucked up people that I have ever fucking met.
I hope that guy falls of the stairs dies, he is such a bum scum
by someone April 06, 2005

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The lint that is in your ass crack that comes from your underwear!
Mike - "Man did u fuck that hot ass hoe last night?"
Ephraim - "FUCK NO THAT BITCH HAD TO MUCH BUM SCUM!!!"
by tootfartparty97 August 22, 2010

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A chewy toothpaste-green goo located between the buttcheeks around the anal opening. Possibly originated from swalling your chewing-gum.
I picked off a huge glob of bumscum. Let's go scare my mom with it.
by Bastardized Bottomburp March 22, 2003

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Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt