2 definitions by mastification

Top Definition
When the cheeks of your ass get so sweaty that it feels like you have physically shit yourself and that you are smearing it around your ass cheeks
the weathers hot and I'm getting some major shit-rub!
by mastification June 12, 2007

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a stoners way of expressing there feelings of being gutted, this use of dinna can have many variations, the meaning of the word dinna is something you can only discover once stoned.
That guy totally just got hit by a milk float... gutted-dinna!
by mastification June 12, 2007

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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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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