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.
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A very out of touch racist person. Somebody who says something super racist but doesn't even know it.
Joe: "I hate African Americans"
Lucy: "You're such a silly billy!"
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possibly the coolest nickname 2 have scinec Yo momma
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(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!"
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A nickname for a person who's name is william and always acts like without much thouhgh to things.
"You silly billy willy what are you doing there feller thats stuipid of you.
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a word in which u will not have sex, kiss, and will not dick around.(the hot chick)
wilson was a silly-billy-nilly
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