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1 definition by SparkyGee

 
1.
A word commonly used by women from the Southern United states to indicate to a lover that their husband has arrived back unexpectedly and she has to get out of there pretty quickly so as not to get caught out.
Guy: baby girl, you so purdy
Girl: stop it, y'all making me blush... Wait, I hear something... QUICK! SISH!!
by SparkyGee October 18, 2011