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1 definition by
Ivan J
SIF
SIF means "Seat In Front."
It's a term used by
unicycle
riders
to describe a way of doing a trick with
the seat
in front of you rather then the seat under your butt.
Example: "If you do
the hop
SIF, you can
get more
height
."
by
Ivan J
October 29, 2005
Flag
Get the
SIF
mug.