Acronym for Super Itchy Bunghole Syndrome, usually brought on by wearing the wrong underwear on a really hot day while moving furniture up three flights of steps with a raging case of diarrhea.

Best cured by using a medicated powder.

Related to Swamp Ass, but you're inclined to scratch.
Honey, will you please powder my bunghole for me? I've got a nasty case of SIBS.
by Latrini May 09, 2005

The Urban Dictionary Mug

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The Urban Dictionary Mug

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).

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SIB
Sorry I'm Busy

A great excuse; A great acronym; A great way of life
Chicken: Hey Duck wanna ****?
Duck: SIB with your mum.
by TaiLopez'sBookshelf July 26, 2016

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

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

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

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