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
Get the Silly Sallymug. by ImWhiteButNotBlack42069 June 1, 2017
Get the mentally sillymug. (V) The act of being a silly goose
by 4n 1di0t October 29, 2019
Get the Silly-goosingmug. Silly nipples is the act of two or more people tugging on each other's nipples while insulting each other.
by Sillynipples August 9, 2016
Get the silly nipplesmug. 
Judge: So, Mr. Mouse, you want to divorce Minnie, because she was ... extremely silly?
Mickey: That's not what I said, I said she was fucking Goofy
Mickey: That's not what I said, I said she was fucking Goofy
by ProperDamage August 18, 2017
Get the extremely sillymug. Tanner is the silliest person you will ever meet in the world. Everything he does is pure comedy, the man doesn't poses a single serious gene. Not to mention his stunningly silly genetics.
by gigachad5432123 March 5, 2022
Get the Mr. Sillymug.