sillyam 

a big sexy nigga

Bro is that sillyam?!?!??!

sillyam by Sillyam Hernandez December 4, 2021

Sillyamsburg 

A parodic term describing the ephemerality of trends, fashion, and culture in the Williamsburg neighborhood of Brooklyn, New York.

Billy: Hey Samatha, would you like to go see some socialist electro-pop in Bushwick tonight?

Samantha: Sorry, I can't. I'm already attending a craft beer tasting in Sillyamsburg.

Sillyamsburg by Gaylord_Black November 4, 2012

SillyGamer 

When you turn around a girl and ejaculate on her upper back and you smear it on her neck and call it a gamer moment

Yo bro, i gave a nasty SillyGamer to that girl from last night

SillyGamer by blub072 June 14, 2022

Silliam William 

The full name of the person commonly known as Silly Billy

basically a fancier way to call someone a Silly Billy

Mannnn, you're being such a silly billy right now.

Excuse me?? have some respect for your elders. That's Silliam William to you.

Silliam William by Efroom August 11, 2017

sillyass

A crazy motherfucker who giggles a lot

the giggly boy is a sillyass

mom don't be such a sillyass

sillyass by That Dark Haired Chica December 31, 2003

sillymonster 

A person who is a silly bitch.

Ben is a sillymonster because he jacks off his dad.

sillymonster by lazerhands May 23, 2006

Sillymoo 

nicer version of the insult stupid cow
therefore fully acceptable to use in the workplace, school and in public

"judy dont call linzi a stupid cow"
"ok linzi you .. sillymoo!"

Sillymoo by sillymoo May 1, 2009