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3.
sish is a word for a womens vigina juice(such as a womens semin out ov her vigina)
Guy1:What did you do last night.
Guy2:I drank a whole jar of sish what about you.
guy1:Awww same here
by Tim Burger February 27, 2005
 
1.
the sucking sound with your tongue against the roof of your mouth, that is the sound of exasperation.
sishing and sighing.
by honeylick May 18, 2004
 
2.
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