Top Definition
Just So You Know
I will be leaving a sandwhich in the fridge, jsyn.

Jack and Sam had their first kiss, jsyn.

Jsyn, im tired.
by Fail Couple February 26, 2012
J = Just
S = So
Y = You
N = Know (noe)
JSYN = just so you know
JSYN, my name is not emily, it is alli
by chicadee6jen June 11, 2008

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