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1 definition by
BaltimoreSunshinee.
osn
stands for "
oh shit
nigga!",
supposed to
be
the new black
term for omg (oh my god)
OSN
, you heard about that
dummie
who
give head
?
by
BaltimoreSunshinee.
May 28, 2009
Flag
Get the
osn
mug.