Top Definition
Slang for Penis. Used by The Rubberbandits, a comedy duo from Limerick City in Ireland. Also spelt Silly Bhoy.
-I want to wash my Silly Boy!

-Well, no silly boys are gonna get washed with a set of jocks on!!
by amusingusername December 03, 2010

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to do someing silly, can be male or female, young or old.
stand in dog poo.
by gaz gaskell August 23, 2003

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