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2.
Originate from the latin word "caecus", meaning "blind".

A Silje is usually an evil person leeching of all around her. Often seen leaving her friends bleeding on the ground... after she has checked their mouth for goldteeth.

It is possible, though highly unlikely, to encounter a friendly Silje. I wouldn't trust it.
"It's a Silje! Step on her before she gets to the children!"
by SigurdB May 03, 2010
 
1.
A synonym for perfect, beautiful and all other good things you can say to a girl.

Some authers use this as a psuedonym to express a person with the same values.
~Hi, Silje!
- Thank you!
by Romeo December 07, 2004