Silly Billy 

possibly the coolest nickname 2 have scinec Yo momma

" Ur silly, ur billy OKAY!

Silly Billy by Sexiness April 12, 2005

Silly Billy 

This word is used by Lizzy and can only be used by lizzy.If copied by anyone u will get 91799199 years of bad luck so dont copy her phrase.

John fell down the stairs

"BAHA John is a silly billy 🤪"

Silly Billy by Lizzyscupcake018 January 9, 2022

Silly Billy 

A person who has done something wacky.

Person 1: Help I fell down the stairs
Person 2: Oh you Silly Billy!

Silly Billy by Foolish_Infant April 21, 2022

silly billy 

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"

silly billy by ingusgus December 8, 2022

Silly Billy 

The Best rapper ever from @db_witch aka WitchDoctorDB. He has won against, the unmatched power of the sun, the demon core, balls, his mind, and foot.

Silly Billy vs The Demon Core
Silly Billy vs The unmatched power of the sun
Silly Billy vs foot

Silly Billy by TheRandom5550 May 21, 2023

silly billy 

an exclaimtion in a mood of goofiness

your maths answers are all wrong you silly billy!

silly billy by fierceface September 29, 2023

Silly billy 

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.

Silly billy by deejkilla23 October 2, 2023