Sif is a person who acts like a bitch but is very kind. Sif is loved by children. Sif can be very depressed.
Why is she so depressed? I think she’s a Sif
Short for specialist in failure
Boy1: this is the 4th test I've flunked
Boy2: you're such a sif
You can use this saying that person or you is flat SIF stands for Sophia is flat. (don’t worry i’m talking about myself😉)
SIF fr!🤢
When you nut in a girl's mouth in the bar bathroom and she gets called up to Karaoke before she can swallow.
The girl I met at the bar just sang "Hero" . Pretty good for a Dirty Sif.