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!!
#penis #willy #knob #nob #dick #cock #schlong #member #shaft #dong #wang #meat stick #genitals
by amusingusername December 03, 2010
2 Words related to Silly Boy
to do someing silly, can be male or female, young or old.
stand in dog poo.
by gaz gaskell August 23, 2003
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