Top Definition
Payment made to a informant or grass by the pigs.
I reckon he's on the blue giro after the police let him off.
by radixx November 20, 2010

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An informer, on the police's payroll. Derived from the fact that payment comes in the form of a giro cheque, and that the police in England are sometimes called 'the blues'.
Yo chill out man, did you hear about Bobby? He's an informer, he's a blue giro man, chill out yeah!
by Facey_Moh September 25, 2010

The Urban Dictionary Mug

Lotsa space for your liquids.

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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).

Buy the t-shirt