Seriously the maddest insult one can unleash on another, commonly used among children of two years of age.
Timmy: Oi John, Your mum's a sket.
Bobby: Shut up you silly billy poo head.
by fr1ck February 26, 2018
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Very Larry and the Silly Billies. Very Larry and the Silly Billies. Very Larry and the Silly Billies. Very Larry and the Silly Billies. Very Larry and the Silly Billies. Very Larry and the Silly Billies. Very Larry and the Silly Billies. Very Larry and the Silly Billies. Very Larry and the Silly Billies. Very Larry and the Silly Billies. Very Larry and the Silly Billies. Very Larry and the Silly Billies. Very Larry and the Silly Billies. Very Larry and the Silly Billies. Very Larry and the Silly Billies. Very Larry and the Silly Billies.
by Death Menace July 8, 2023
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Dogs of Aids

Cook The DOGS

DEATH TO SILLY AND BILLY!

They taste so good
Yesterday I saw Silly and Billy, I slaughtered them, and ate them YUMMY!!!!
by xXx_ZhouZheng_xXx November 22, 2018
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a silly billy is someone who is a follower of the sillyism
"i am a christian because i believe in christinaity"

"i am a silly billy because i believe in sillyism"
by ingusgus December 8, 2022
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Can be anybody but is normally from San Bernardino, a person who all around ain’t shit
Do you know who Bobby is, well we don’t like him, he’s a silly billy.
by deejkilla23 October 3, 2023
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