This is a name or title given to a confused individual in conversation. This name is often given by an individual who is informed and knowledgeable of the subject to an individual who misinformed or ignorant of the subject. Silly Sally is often used in replacement of dumbass.
Jason says, "Hey guys, you want to go to a bar and have a beer?" Jason's friend replies, "Jason, you Silly Sally, your only 16. You can't even get into a bar."
by crunchcode February 25, 2004

James: Ayy bro are you staying after band rehearsal for some silly and bev??
Hunter: Nah bro, im still on probation
James: come on one hit
Hunter: No
James: Yes
Huner: You're stoned
James: ikik
Bennett: im silly and bevvin out
Hunter: Nah bro, im still on probation
James: come on one hit
Hunter: No
James: Yes
Huner: You're stoned
James: ikik
Bennett: im silly and bevvin out
by MajorWoody March 1, 2017

A silly meister is someone who is so incredibly silly and overall a big jokester. They come in all different shapes and sizes. This slang term is only used when someone is being very silly willy and has the became the ultimate silly meister.
“Yo have you met that new girl ?”
“Yeah man she is so crazy and like silly, I’d go as far as saying she is a silly meister!”
“Yeah man she is so crazy and like silly, I’d go as far as saying she is a silly meister!”
by PeakMal July 19, 2021

the most epicawesometastic person ever and the most amazing best friend in the whole entire world. has a quiet and very clingy best friend but it’s ok cuz she loves herrr. gets lots of guys but all of them are either jerks or simps. hates being told what to do and will do anything for the people they care about. gorgeous but will never believe it
by goodness gracious January 18, 2021

Well, the phrase "butt clump" was funny at brunch but I think we all had a case of the Sunday sillies.
by Kung Fu Jimmy October 11, 2017

by hahahahhahahhaahahahhhahaha November 5, 2020
