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Pronunciation: sahy-azd

Shorthand for the phrase, "Stupid is as stupid does."

Often used to mock individuals for saying/doing dumb things.
Jacobo, Anthony, and Carlos walk by the science room.

Minutes later...

Carlos: Hey, we should go in the science room?
Anthony: We passed it like 5 minutes ago.
Carlos: Did we go in?

Jacobo and Anthony look at each other dumbfounded, and then stare back at Carlos.

Anthony and Jacobo: SIASD!
Small town in West Yorkshire, mainly known for its pubs and nightlife.

A nice quiet country village during the week, turns into an animalistic drinking zone come Friday evening.

Chavs can be found lurking in areas such as the park, graveyard, school playground and the memorial... usually with a bottle of lambrini or cider and a joint.

The women drink pints and the men fight, usually outside the Robin Hood pub on a weekend.

The people of Silsden dont care for outsiders and many residents dont like to leave the place, even though they complain about it being really shit.

Silsden can be quite a good night out if your into that sort of thing. everyone knows everyone and if you fancy a party after the pub there is usually some form of house party/ drug session goin on somewhere!

Most of the females from silsden are hairdressers or beauty therapists and the lads tend to be brickies or labourers, or they make a career of working in the co-op. (also known as the cwarp by locals)
"fancy a pint in Silsden?"

"erm.. no!"
Silsden by hatttttieeeeeeeee August 20, 2009
Silas is an amazing guy. He is always there for you and loves you honest. He is emotional and sensitive, but a real man. He will always protect you. He makes you smile always, also if you’re sad.

He likes to play video games and loves sweets.

Silas is the most sweet and loving person you will ever meat.

Never let Silas go or hurt him.

I love you Silas. ❤️
A: He is the greatest in the world
B: I know, he is a Silas.
Silas by Lalelunaa October 16, 2020
The most amazing guy in the world. Sweet, funny, charming. He's everything a girl could want and more. He loves video games, and is a complete gentleman. He will put his whole heart into everything he does. He is so nice, and is always genuine and true. Not to mention he is so amazingly gorgeous.
"Wow, that guy is so nice, he must be a Silas."
Silas by iloveyou251211 November 4, 2011

Silas Dogood 

A jealous, insecure, backstabbing female who can not keep her legs closed

A manipulative long-time "believed to be" female friend who envies and wants your life. She will create smear campaigns, cause conflicts between you and your friends, family and partner. She believes she deserves YOUR life more than you do and will go out of her way to destroy it, then blame it all on you.

An overt narcissistic, trashy female who behaves in a well rounded manner, yet has the morals and standards of a bar slut.
Pay no attention to her underlying insults and backhanded compliments, she is just a Silas Dogood and it would do you good to stay away from her.

You're such a Silas Dogood. Maybe you should eat some makeup so you can be pretty on the inside too
Silas Dogood by idgjigto August 31, 2020
Silas is sweet handsome and will treat you wright! He is a little shy at first but after you get to know him he is the best! He is so funny and will do about anything for you. He knows when to stop being mean and will protect you! He is not afraid to show emotion an will be there for you!
Silas is the best!
Silas by Ballzly91 June 4, 2018