The new name for TV's SciFi Channel.
Dude, did you catch the rerun of Battlestar on Siffy last night?
by mhl2 July 18, 2009
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A siffy is a device made of solid material, generally flat, always toothed, and is used in hair care for straightening and cleaning hair or other fibers.

Also known as a comb.
Om my goodness, I lost my siffy. I must have dropped him in the bathroom.
by Emma_Doll January 29, 2008
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having to do with White Castle, cheap, extremely skinny, many kids, oppositte of his father
a hick who does not like sharing, father eats in extreme amounts and has many quadrouple by pases per year, ALBINO
by Pete November 15, 2003
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The ugliest, grossest mother fuxler you have ever met. They think they are the hottest thing jesus has ever made. But they are actually not. They are sif.
Your one sif mother fucker.
Your a siffie, thats what you are Sheryl
by Cloudy E February 28, 2016
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A siffy is a beautiful and handsome man.He is tall and well built but also on the slender slide. He is kind and considerate and cares for others. A siffy is also very smart and intelligent. Siffy's are also good at videogames and hit nice shots in fps games.
Bro that kid is such a siffy. He is amazing
by lalalalll536262 July 4, 2020
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A word that is used to replace any noun
I'm hungry I'm bout to hit the yam siffy to get some yam you heard me.
by tony two sweaterz June 17, 2014
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