N. Ghetto slang used by black people, rappers, and porn-stars used to replace the words 'fucking retard'. More effectively used when the person being referred to is named Bill or William.
Wow Em, you should really put your clothes back on, we are at church! You are acting like a Silly Billy.
by Chuck Justin. January 23, 2010
A very out of touch racist person. Somebody who says something super racist but doesn't even know it.
by Servant 1832E October 28, 2022
by Sexiness April 12, 2005
(noun) a goofy man (not nessicarily named Billy) who acts gay ormetrosexual. Sometimes said as an insult but usually just as teasing.
"You're a Silly Billy With No Willy!"
by Santas Sexy Helper July 31, 2004
by EndMySuffering-1 January 10, 2018
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